Home / 9,374.08-12,935.68-5,394.56

Finding the Fourth Proportional to 9,374.08, 12,935.68 and 5,394.56

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Solution

The fourth proportional to 9,374.08, 12,935.68 and 5,394.56 is: 7,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.08 : 12,935.68 = 5,394.56 : x
  2. Step 2: Convert to fraction form
    9,374.08/12,935.68 = 5,394.56/x
  3. Step 3: Cross multiply
    9,374.08x = 12,935.68 × 5,394.56
  4. Step 4: Simplify right side
    9,374.08x = 69,782,301.90
  5. Step 5: Solve for x
    x = 69,782,301.90/9,374.08
  6. Step 6: Final answer
    x = 7,444.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.