Home / 9,430.38-14,146.29-2,857.11

Finding the Fourth Proportional to 9,430.38, 14,146.29 and 2,857.11

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Solution

The fourth proportional to 9,430.38, 14,146.29 and 2,857.11 is: 4,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.38 : 14,146.29 = 2,857.11 : x
  2. Step 2: Convert to fraction form
    9,430.38/14,146.29 = 2,857.11/x
  3. Step 3: Cross multiply
    9,430.38x = 14,146.29 × 2,857.11
  4. Step 4: Simplify right side
    9,430.38x = 40,417,506.62
  5. Step 5: Solve for x
    x = 40,417,506.62/9,430.38
  6. Step 6: Final answer
    x = 4,285.88

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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.