Home / 5,520.09-7,617.65-3,002.15

Finding the Fourth Proportional to 5,520.09, 7,617.65 and 3,002.15

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Solution

The fourth proportional to 5,520.09, 7,617.65 and 3,002.15 is: 4,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.09 : 7,617.65 = 3,002.15 : x
  2. Step 2: Convert to fraction form
    5,520.09/7,617.65 = 3,002.15/x
  3. Step 3: Cross multiply
    5,520.09x = 7,617.65 × 3,002.15
  4. Step 4: Simplify right side
    5,520.09x = 22,869,315.60
  5. Step 5: Solve for x
    x = 22,869,315.60/5,520.09
  6. Step 6: Final answer
    x = 4,142.92

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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.