Home / 5,240.68-7,856.85-3,592.18

Finding the Fourth Proportional to 5,240.68, 7,856.85 and 3,592.18

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Solution

The fourth proportional to 5,240.68, 7,856.85 and 3,592.18 is: 5,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.68 : 7,856.85 = 3,592.18 : x
  2. Step 2: Convert to fraction form
    5,240.68/7,856.85 = 3,592.18/x
  3. Step 3: Cross multiply
    5,240.68x = 7,856.85 × 3,592.18
  4. Step 4: Simplify right side
    5,240.68x = 28,223,219.43
  5. Step 5: Solve for x
    x = 28,223,219.43/5,240.68
  6. Step 6: Final answer
    x = 5,385.41

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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.