Home / 5,318.76-7,340.25-3,523.15

Finding the Fourth Proportional to 5,318.76, 7,340.25 and 3,523.15

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Solution

The fourth proportional to 5,318.76, 7,340.25 and 3,523.15 is: 4,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.76 : 7,340.25 = 3,523.15 : x
  2. Step 2: Convert to fraction form
    5,318.76/7,340.25 = 3,523.15/x
  3. Step 3: Cross multiply
    5,318.76x = 7,340.25 × 3,523.15
  4. Step 4: Simplify right side
    5,318.76x = 25,860,782.89
  5. Step 5: Solve for x
    x = 25,860,782.89/5,318.76
  6. Step 6: Final answer
    x = 4,862.18

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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.