Home / 5,154.20-7,732.35-1,644.11

Finding the Fourth Proportional to 5,154.20, 7,732.35 and 1,644.11

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Solution

The fourth proportional to 5,154.20, 7,732.35 and 1,644.11 is: 2,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.20 : 7,732.35 = 1,644.11 : x
  2. Step 2: Convert to fraction form
    5,154.20/7,732.35 = 1,644.11/x
  3. Step 3: Cross multiply
    5,154.20x = 7,732.35 × 1,644.11
  4. Step 4: Simplify right side
    5,154.20x = 12,712,824.29
  5. Step 5: Solve for x
    x = 12,712,824.29/5,154.20
  6. Step 6: Final answer
    x = 2,466.50

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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.