Home / 9,279.27-13,921.35-3,437.55

Finding the Fourth Proportional to 9,279.27, 13,921.35 and 3,437.55

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Solution

The fourth proportional to 9,279.27, 13,921.35 and 3,437.55 is: 5,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.27 : 13,921.35 = 3,437.55 : x
  2. Step 2: Convert to fraction form
    9,279.27/13,921.35 = 3,437.55/x
  3. Step 3: Cross multiply
    9,279.27x = 13,921.35 × 3,437.55
  4. Step 4: Simplify right side
    9,279.27x = 47,855,336.69
  5. Step 5: Solve for x
    x = 47,855,336.69/9,279.27
  6. Step 6: Final answer
    x = 5,157.23

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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.