Home / 8,726.30-12,037.17-5,490.98

Finding the Fourth Proportional to 8,726.30, 12,037.17 and 5,490.98

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Solution

The fourth proportional to 8,726.30, 12,037.17 and 5,490.98 is: 7,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.30 : 12,037.17 = 5,490.98 : x
  2. Step 2: Convert to fraction form
    8,726.30/12,037.17 = 5,490.98/x
  3. Step 3: Cross multiply
    8,726.30x = 12,037.17 × 5,490.98
  4. Step 4: Simplify right side
    8,726.30x = 66,095,799.54
  5. Step 5: Solve for x
    x = 66,095,799.54/8,726.30
  6. Step 6: Final answer
    x = 7,574.33

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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.