Home / 6,518.76-9,778.12-1,588.36

Finding the Fourth Proportional to 6,518.76, 9,778.12 and 1,588.36

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Solution

The fourth proportional to 6,518.76, 9,778.12 and 1,588.36 is: 2,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.76 : 9,778.12 = 1,588.36 : x
  2. Step 2: Convert to fraction form
    6,518.76/9,778.12 = 1,588.36/x
  3. Step 3: Cross multiply
    6,518.76x = 9,778.12 × 1,588.36
  4. Step 4: Simplify right side
    6,518.76x = 15,531,174.68
  5. Step 5: Solve for x
    x = 15,531,174.68/6,518.76
  6. Step 6: Final answer
    x = 2,382.54

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.