Home / 7,346.28-10,138.86-4,515.42

Finding the Fourth Proportional to 7,346.28, 10,138.86 and 4,515.42

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Solution

The fourth proportional to 7,346.28, 10,138.86 and 4,515.42 is: 6,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.28 : 10,138.86 = 4,515.42 : x
  2. Step 2: Convert to fraction form
    7,346.28/10,138.86 = 4,515.42/x
  3. Step 3: Cross multiply
    7,346.28x = 10,138.86 × 4,515.42
  4. Step 4: Simplify right side
    7,346.28x = 45,781,211.22
  5. Step 5: Solve for x
    x = 45,781,211.22/7,346.28
  6. Step 6: Final answer
    x = 6,231.89

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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.