Home / 4,980.60-7,468.38-1,517.40

Finding the Fourth Proportional to 4,980.60, 7,468.38 and 1,517.40

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Solution

The fourth proportional to 4,980.60, 7,468.38 and 1,517.40 is: 2,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.60 : 7,468.38 = 1,517.40 : x
  2. Step 2: Convert to fraction form
    4,980.60/7,468.38 = 1,517.40/x
  3. Step 3: Cross multiply
    4,980.60x = 7,468.38 × 1,517.40
  4. Step 4: Simplify right side
    4,980.60x = 11,332,519.81
  5. Step 5: Solve for x
    x = 11,332,519.81/4,980.60
  6. Step 6: Final answer
    x = 2,275.33

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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.