Home / 5,680.66-8,521.44-1,520.63

Finding the Fourth Proportional to 5,680.66, 8,521.44 and 1,520.63

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Solution

The fourth proportional to 5,680.66, 8,521.44 and 1,520.63 is: 2,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.66 : 8,521.44 = 1,520.63 : x
  2. Step 2: Convert to fraction form
    5,680.66/8,521.44 = 1,520.63/x
  3. Step 3: Cross multiply
    5,680.66x = 8,521.44 × 1,520.63
  4. Step 4: Simplify right side
    5,680.66x = 12,957,953.36
  5. Step 5: Solve for x
    x = 12,957,953.36/5,680.66
  6. Step 6: Final answer
    x = 2,281.07

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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.