Home / 7,643.28-11,458.44-4,715.04

Finding the Fourth Proportional to 7,643.28, 11,458.44 and 4,715.04

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Solution

The fourth proportional to 7,643.28, 11,458.44 and 4,715.04 is: 7,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.28 : 11,458.44 = 4,715.04 : x
  2. Step 2: Convert to fraction form
    7,643.28/11,458.44 = 4,715.04/x
  3. Step 3: Cross multiply
    7,643.28x = 11,458.44 × 4,715.04
  4. Step 4: Simplify right side
    7,643.28x = 54,027,002.94
  5. Step 5: Solve for x
    x = 54,027,002.94/7,643.28
  6. Step 6: Final answer
    x = 7,068.56

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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.