Home / 7,491.60-11,222.55-6,568.20

Finding the Fourth Proportional to 7,491.60, 11,222.55 and 6,568.20

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Solution

The fourth proportional to 7,491.60, 11,222.55 and 6,568.20 is: 9,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.60 : 11,222.55 = 6,568.20 : x
  2. Step 2: Convert to fraction form
    7,491.60/11,222.55 = 6,568.20/x
  3. Step 3: Cross multiply
    7,491.60x = 11,222.55 × 6,568.20
  4. Step 4: Simplify right side
    7,491.60x = 73,711,952.91
  5. Step 5: Solve for x
    x = 73,711,952.91/7,491.60
  6. Step 6: Final answer
    x = 9,839.28

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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.