Home / 5,279.56-7,282.61-3,487.06

Finding the Fourth Proportional to 5,279.56, 7,282.61 and 3,487.06

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Solution

The fourth proportional to 5,279.56, 7,282.61 and 3,487.06 is: 4,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.56 : 7,282.61 = 3,487.06 : x
  2. Step 2: Convert to fraction form
    5,279.56/7,282.61 = 3,487.06/x
  3. Step 3: Cross multiply
    5,279.56x = 7,282.61 × 3,487.06
  4. Step 4: Simplify right side
    5,279.56x = 25,394,898.03
  5. Step 5: Solve for x
    x = 25,394,898.03/5,279.56
  6. Step 6: Final answer
    x = 4,810.04

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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.