Home / 5,440.49-7,508.16-3,315.69

Finding the Fourth Proportional to 5,440.49, 7,508.16 and 3,315.69

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Solution

The fourth proportional to 5,440.49, 7,508.16 and 3,315.69 is: 4,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.49 : 7,508.16 = 3,315.69 : x
  2. Step 2: Convert to fraction form
    5,440.49/7,508.16 = 3,315.69/x
  3. Step 3: Cross multiply
    5,440.49x = 7,508.16 × 3,315.69
  4. Step 4: Simplify right side
    5,440.49x = 24,894,731.03
  5. Step 5: Solve for x
    x = 24,894,731.03/5,440.49
  6. Step 6: Final answer
    x = 4,575.83

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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.