Home / 8,521.01-12,787.35-2,974.35

Finding the Fourth Proportional to 8,521.01, 12,787.35 and 2,974.35

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Solution

The fourth proportional to 8,521.01, 12,787.35 and 2,974.35 is: 4,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.01 : 12,787.35 = 2,974.35 : x
  2. Step 2: Convert to fraction form
    8,521.01/12,787.35 = 2,974.35/x
  3. Step 3: Cross multiply
    8,521.01x = 12,787.35 × 2,974.35
  4. Step 4: Simplify right side
    8,521.01x = 38,034,054.47
  5. Step 5: Solve for x
    x = 38,034,054.47/8,521.01
  6. Step 6: Final answer
    x = 4,463.56

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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.