Home / 5,518.20-7,612.08-3,497.92

Finding the Fourth Proportional to 5,518.20, 7,612.08 and 3,497.92

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Solution

The fourth proportional to 5,518.20, 7,612.08 and 3,497.92 is: 4,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.20 : 7,612.08 = 3,497.92 : x
  2. Step 2: Convert to fraction form
    5,518.20/7,612.08 = 3,497.92/x
  3. Step 3: Cross multiply
    5,518.20x = 7,612.08 × 3,497.92
  4. Step 4: Simplify right side
    5,518.20x = 26,626,446.87
  5. Step 5: Solve for x
    x = 26,626,446.87/5,518.20
  6. Step 6: Final answer
    x = 4,825.21

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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.