Home / 8,393.40-12,582.10-3,127

Finding the Fourth Proportional to 8,393.40, 12,582.10 and 3,127

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Solution

The fourth proportional to 8,393.40, 12,582.10 and 3,127 is: 4,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.40 : 12,582.10 = 3,127 : x
  2. Step 2: Convert to fraction form
    8,393.40/12,582.10 = 3,127/x
  3. Step 3: Cross multiply
    8,393.40x = 12,582.10 × 3,127
  4. Step 4: Simplify right side
    8,393.40x = 39,344,226.70
  5. Step 5: Solve for x
    x = 39,344,226.70/8,393.40
  6. Step 6: Final answer
    x = 4,687.52

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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.