Home / 5,240.68-7,856.04-1,951.52

Finding the Fourth Proportional to 5,240.68, 7,856.04 and 1,951.52

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Solution

The fourth proportional to 5,240.68, 7,856.04 and 1,951.52 is: 2,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.68 : 7,856.04 = 1,951.52 : x
  2. Step 2: Convert to fraction form
    5,240.68/7,856.04 = 1,951.52/x
  3. Step 3: Cross multiply
    5,240.68x = 7,856.04 × 1,951.52
  4. Step 4: Simplify right side
    5,240.68x = 15,331,219.18
  5. Step 5: Solve for x
    x = 15,331,219.18/5,240.68
  6. Step 6: Final answer
    x = 2,925.43

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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.