Home / 6,889.12-9,507.18-4,056.76

Finding the Fourth Proportional to 6,889.12, 9,507.18 and 4,056.76

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Solution

The fourth proportional to 6,889.12, 9,507.18 and 4,056.76 is: 5,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.12 : 9,507.18 = 4,056.76 : x
  2. Step 2: Convert to fraction form
    6,889.12/9,507.18 = 4,056.76/x
  3. Step 3: Cross multiply
    6,889.12x = 9,507.18 × 4,056.76
  4. Step 4: Simplify right side
    6,889.12x = 38,568,347.54
  5. Step 5: Solve for x
    x = 38,568,347.54/6,889.12
  6. Step 6: Final answer
    x = 5,598.44

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Half scale
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Double scale
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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.