Home / 6,528.76-9,001.74-5,686.36

Finding the Fourth Proportional to 6,528.76, 9,001.74 and 5,686.36

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Solution

The fourth proportional to 6,528.76, 9,001.74 and 5,686.36 is: 7,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.76 : 9,001.74 = 5,686.36 : x
  2. Step 2: Convert to fraction form
    6,528.76/9,001.74 = 5,686.36/x
  3. Step 3: Cross multiply
    6,528.76x = 9,001.74 × 5,686.36
  4. Step 4: Simplify right side
    6,528.76x = 51,187,134.27
  5. Step 5: Solve for x
    x = 51,187,134.27/6,528.76
  6. Step 6: Final answer
    x = 7,840.25

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,529.76, 9,003.12 and 5,687.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.