Home / 5,217.92-7,200.76-2,860.04

Finding the Fourth Proportional to 5,217.92, 7,200.76 and 2,860.04

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Solution

The fourth proportional to 5,217.92, 7,200.76 and 2,860.04 is: 3,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.92 : 7,200.76 = 2,860.04 : x
  2. Step 2: Convert to fraction form
    5,217.92/7,200.76 = 2,860.04/x
  3. Step 3: Cross multiply
    5,217.92x = 7,200.76 × 2,860.04
  4. Step 4: Simplify right side
    5,217.92x = 20,594,461.63
  5. Step 5: Solve for x
    x = 20,594,461.63/5,217.92
  6. Step 6: Final answer
    x = 3,946.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.