Home / 9,237.47-12,747.12-5,045.72

Finding the Fourth Proportional to 9,237.47, 12,747.12 and 5,045.72

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Solution

The fourth proportional to 9,237.47, 12,747.12 and 5,045.72 is: 6,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.47 : 12,747.12 = 5,045.72 : x
  2. Step 2: Convert to fraction form
    9,237.47/12,747.12 = 5,045.72/x
  3. Step 3: Cross multiply
    9,237.47x = 12,747.12 × 5,045.72
  4. Step 4: Simplify right side
    9,237.47x = 64,318,398.33
  5. Step 5: Solve for x
    x = 64,318,398.33/9,237.47
  6. Step 6: Final answer
    x = 6,962.77

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1.5x scale

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.