Home / 5,011.39-7,517.48-1,679.66

Finding the Fourth Proportional to 5,011.39, 7,517.48 and 1,679.66

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Solution

The fourth proportional to 5,011.39, 7,517.48 and 1,679.66 is: 2,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.39 : 7,517.48 = 1,679.66 : x
  2. Step 2: Convert to fraction form
    5,011.39/7,517.48 = 1,679.66/x
  3. Step 3: Cross multiply
    5,011.39x = 7,517.48 × 1,679.66
  4. Step 4: Simplify right side
    5,011.39x = 12,626,810.46
  5. Step 5: Solve for x
    x = 12,626,810.46/5,011.39
  6. Step 6: Final answer
    x = 2,519.62

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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.