Home / 5,152.60-7,727.68-2,960.20

Finding the Fourth Proportional to 5,152.60, 7,727.68 and 2,960.20

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Solution

The fourth proportional to 5,152.60, 7,727.68 and 2,960.20 is: 4,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.60 : 7,727.68 = 2,960.20 : x
  2. Step 2: Convert to fraction form
    5,152.60/7,727.68 = 2,960.20/x
  3. Step 3: Cross multiply
    5,152.60x = 7,727.68 × 2,960.20
  4. Step 4: Simplify right side
    5,152.60x = 22,875,478.34
  5. Step 5: Solve for x
    x = 22,875,478.34/5,152.60
  6. Step 6: Final answer
    x = 4,439.60

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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.