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Finding the Fourth Proportional to 5,818.76, 8,726.88 and 1,658.72

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Solution

The fourth proportional to 5,818.76, 8,726.88 and 1,658.72 is: 2,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.76 : 8,726.88 = 1,658.72 : x
  2. Step 2: Convert to fraction form
    5,818.76/8,726.88 = 1,658.72/x
  3. Step 3: Cross multiply
    5,818.76x = 8,726.88 × 1,658.72
  4. Step 4: Simplify right side
    5,818.76x = 14,475,450.39
  5. Step 5: Solve for x
    x = 14,475,450.39/5,818.76
  6. Step 6: Final answer
    x = 2,487.72

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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.