Home / 6,499.28-8,972.87-4,265.07

Finding the Fourth Proportional to 6,499.28, 8,972.87 and 4,265.07

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Solution

The fourth proportional to 6,499.28, 8,972.87 and 4,265.07 is: 5,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499.28 : 8,972.87 = 4,265.07 : x
  2. Step 2: Convert to fraction form
    6,499.28/8,972.87 = 4,265.07/x
  3. Step 3: Cross multiply
    6,499.28x = 8,972.87 × 4,265.07
  4. Step 4: Simplify right side
    6,499.28x = 38,269,863.68
  5. Step 5: Solve for x
    x = 38,269,863.68/6,499.28
  6. Step 6: Final answer
    x = 5,888.32

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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.