Home / 9,218.76-12,721.80-5,027.04

Finding the Fourth Proportional to 9,218.76, 12,721.80 and 5,027.04

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Solution

The fourth proportional to 9,218.76, 12,721.80 and 5,027.04 is: 6,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.76 : 12,721.80 = 5,027.04 : x
  2. Step 2: Convert to fraction form
    9,218.76/12,721.80 = 5,027.04/x
  3. Step 3: Cross multiply
    9,218.76x = 12,721.80 × 5,027.04
  4. Step 4: Simplify right side
    9,218.76x = 63,952,997.47
  5. Step 5: Solve for x
    x = 63,952,997.47/9,218.76
  6. Step 6: Final answer
    x = 6,937.27

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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.