Home / 5,680.92-8,521.50-1,520.93

Finding the Fourth Proportional to 5,680.92, 8,521.50 and 1,520.93

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Solution

The fourth proportional to 5,680.92, 8,521.50 and 1,520.93 is: 2,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.92 : 8,521.50 = 1,520.93 : x
  2. Step 2: Convert to fraction form
    5,680.92/8,521.50 = 1,520.93/x
  3. Step 3: Cross multiply
    5,680.92x = 8,521.50 × 1,520.93
  4. Step 4: Simplify right side
    5,680.92x = 12,960,558.59
  5. Step 5: Solve for x
    x = 12,960,558.59/5,680.92
  6. Step 6: Final answer
    x = 2,281.42

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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.