Home / 5,279.55-7,924.56-4,690.43

Finding the Fourth Proportional to 5,279.55, 7,924.56 and 4,690.43

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Solution

The fourth proportional to 5,279.55, 7,924.56 and 4,690.43 is: 7,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.55 : 7,924.56 = 4,690.43 : x
  2. Step 2: Convert to fraction form
    5,279.55/7,924.56 = 4,690.43/x
  3. Step 3: Cross multiply
    5,279.55x = 7,924.56 × 4,690.43
  4. Step 4: Simplify right side
    5,279.55x = 37,169,593.96
  5. Step 5: Solve for x
    x = 37,169,593.96/5,279.55
  6. Step 6: Final answer
    x = 7,040.30

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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.