Home / 5,680.33-8,520.38-1,520.34

Finding the Fourth Proportional to 5,680.33, 8,520.38 and 1,520.34

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Solution

The fourth proportional to 5,680.33, 8,520.38 and 1,520.34 is: 2,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.33 : 8,520.38 = 1,520.34 : x
  2. Step 2: Convert to fraction form
    5,680.33/8,520.38 = 1,520.34/x
  3. Step 3: Cross multiply
    5,680.33x = 8,520.38 × 1,520.34
  4. Step 4: Simplify right side
    5,680.33x = 12,953,882.90
  5. Step 5: Solve for x
    x = 12,953,882.90/5,680.33
  6. Step 6: Final answer
    x = 2,280.48

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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.