Home / 7,493.90-10,340.88-4,349.78

Finding the Fourth Proportional to 7,493.90, 10,340.88 and 4,349.78

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Solution

The fourth proportional to 7,493.90, 10,340.88 and 4,349.78 is: 6,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.90 : 10,340.88 = 4,349.78 : x
  2. Step 2: Convert to fraction form
    7,493.90/10,340.88 = 4,349.78/x
  3. Step 3: Cross multiply
    7,493.90x = 10,340.88 × 4,349.78
  4. Step 4: Simplify right side
    7,493.90x = 44,980,553.01
  5. Step 5: Solve for x
    x = 44,980,553.01/7,493.90
  6. Step 6: Final answer
    x = 6,002.29

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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.