Home / 7,281.61-10,049.48-4,138.27

Finding the Fourth Proportional to 7,281.61, 10,049.48 and 4,138.27

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Solution

The fourth proportional to 7,281.61, 10,049.48 and 4,138.27 is: 5,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.61 : 10,049.48 = 4,138.27 : x
  2. Step 2: Convert to fraction form
    7,281.61/10,049.48 = 4,138.27/x
  3. Step 3: Cross multiply
    7,281.61x = 10,049.48 × 4,138.27
  4. Step 4: Simplify right side
    7,281.61x = 41,587,440.91
  5. Step 5: Solve for x
    x = 41,587,440.91/7,281.61
  6. Step 6: Final answer
    x = 5,711.30

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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.