Home / 5,560.20-8,340.41-1,861.74

Finding the Fourth Proportional to 5,560.20, 8,340.41 and 1,861.74

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Solution

The fourth proportional to 5,560.20, 8,340.41 and 1,861.74 is: 2,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.20 : 8,340.41 = 1,861.74 : x
  2. Step 2: Convert to fraction form
    5,560.20/8,340.41 = 1,861.74/x
  3. Step 3: Cross multiply
    5,560.20x = 8,340.41 × 1,861.74
  4. Step 4: Simplify right side
    5,560.20x = 15,527,686.46
  5. Step 5: Solve for x
    x = 15,527,686.46/5,560.20
  6. Step 6: Final answer
    x = 2,792.65

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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.