Home / 5,423.91-7,489.23-4,162.96

Finding the Fourth Proportional to 5,423.91, 7,489.23 and 4,162.96

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Solution

The fourth proportional to 5,423.91, 7,489.23 and 4,162.96 is: 5,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.91 : 7,489.23 = 4,162.96 : x
  2. Step 2: Convert to fraction form
    5,423.91/7,489.23 = 4,162.96/x
  3. Step 3: Cross multiply
    5,423.91x = 7,489.23 × 4,162.96
  4. Step 4: Simplify right side
    5,423.91x = 31,177,364.92
  5. Step 5: Solve for x
    x = 31,177,364.92/5,423.91
  6. Step 6: Final answer
    x = 5,748.13

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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.