Home / 7,666.28-11,491.30-4,372.31

Finding the Fourth Proportional to 7,666.28, 11,491.30 and 4,372.31

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Solution

The fourth proportional to 7,666.28, 11,491.30 and 4,372.31 is: 6,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.28 : 11,491.30 = 4,372.31 : x
  2. Step 2: Convert to fraction form
    7,666.28/11,491.30 = 4,372.31/x
  3. Step 3: Cross multiply
    7,666.28x = 11,491.30 × 4,372.31
  4. Step 4: Simplify right side
    7,666.28x = 50,243,560.10
  5. Step 5: Solve for x
    x = 50,243,560.10/7,666.28
  6. Step 6: Final answer
    x = 6,553.84

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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.