Home / 9,071.48-12,518.11-5,092.86

Finding the Fourth Proportional to 9,071.48, 12,518.11 and 5,092.86

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Solution

The fourth proportional to 9,071.48, 12,518.11 and 5,092.86 is: 7,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.48 : 12,518.11 = 5,092.86 : x
  2. Step 2: Convert to fraction form
    9,071.48/12,518.11 = 5,092.86/x
  3. Step 3: Cross multiply
    9,071.48x = 12,518.11 × 5,092.86
  4. Step 4: Simplify right side
    9,071.48x = 63,752,981.69
  5. Step 5: Solve for x
    x = 63,752,981.69/9,071.48
  6. Step 6: Final answer
    x = 7,027.85

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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.