Home / 10,507.28-15,764.76-4,887.56

Finding the Fourth Proportional to 10,507.28, 15,764.76 and 4,887.56

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Solution

The fourth proportional to 10,507.28, 15,764.76 and 4,887.56 is: 7,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.28 : 15,764.76 = 4,887.56 : x
  2. Step 2: Convert to fraction form
    10,507.28/15,764.76 = 4,887.56/x
  3. Step 3: Cross multiply
    10,507.28x = 15,764.76 × 4,887.56
  4. Step 4: Simplify right side
    10,507.28x = 77,051,210.39
  5. Step 5: Solve for x
    x = 77,051,210.39/10,507.28
  6. Step 6: Final answer
    x = 7,333.13

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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.