Home / 5,818.47-8,726.39-1,658.39

Finding the Fourth Proportional to 5,818.47, 8,726.39 and 1,658.39

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Solution

The fourth proportional to 5,818.47, 8,726.39 and 1,658.39 is: 2,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.47 : 8,726.39 = 1,658.39 : x
  2. Step 2: Convert to fraction form
    5,818.47/8,726.39 = 1,658.39/x
  3. Step 3: Cross multiply
    5,818.47x = 8,726.39 × 1,658.39
  4. Step 4: Simplify right side
    5,818.47x = 14,471,757.91
  5. Step 5: Solve for x
    x = 14,471,757.91/5,818.47
  6. Step 6: Final answer
    x = 2,487.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.