Home / 9,218.64-12,721.80-5,026.88

Finding the Fourth Proportional to 9,218.64, 12,721.80 and 5,026.88

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Solution

The fourth proportional to 9,218.64, 12,721.80 and 5,026.88 is: 6,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.64 : 12,721.80 = 5,026.88 : x
  2. Step 2: Convert to fraction form
    9,218.64/12,721.80 = 5,026.88/x
  3. Step 3: Cross multiply
    9,218.64x = 12,721.80 × 5,026.88
  4. Step 4: Simplify right side
    9,218.64x = 63,950,961.98
  5. Step 5: Solve for x
    x = 63,950,961.98/9,218.64
  6. Step 6: Final answer
    x = 6,937.14

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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.