Home / 9,621.52-14,429.85-4,938.91

Finding the Fourth Proportional to 9,621.52, 14,429.85 and 4,938.91

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Solution

The fourth proportional to 9,621.52, 14,429.85 and 4,938.91 is: 7,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.52 : 14,429.85 = 4,938.91 : x
  2. Step 2: Convert to fraction form
    9,621.52/14,429.85 = 4,938.91/x
  3. Step 3: Cross multiply
    9,621.52x = 14,429.85 × 4,938.91
  4. Step 4: Simplify right side
    9,621.52x = 71,267,730.46
  5. Step 5: Solve for x
    x = 71,267,730.46/9,621.52
  6. Step 6: Final answer
    x = 7,407.12

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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.