Home / 5,416.50-8,123.10-2,818.02

Finding the Fourth Proportional to 5,416.50, 8,123.10 and 2,818.02

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Solution

The fourth proportional to 5,416.50, 8,123.10 and 2,818.02 is: 4,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.50 : 8,123.10 = 2,818.02 : x
  2. Step 2: Convert to fraction form
    5,416.50/8,123.10 = 2,818.02/x
  3. Step 3: Cross multiply
    5,416.50x = 8,123.10 × 2,818.02
  4. Step 4: Simplify right side
    5,416.50x = 22,891,058.26
  5. Step 5: Solve for x
    x = 22,891,058.26/5,416.50
  6. Step 6: Final answer
    x = 4,226.17

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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.