Home / 5,490.59-7,568.84-4,309.61

Finding the Fourth Proportional to 5,490.59, 7,568.84 and 4,309.61

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Solution

The fourth proportional to 5,490.59, 7,568.84 and 4,309.61 is: 5,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.59 : 7,568.84 = 4,309.61 : x
  2. Step 2: Convert to fraction form
    5,490.59/7,568.84 = 4,309.61/x
  3. Step 3: Cross multiply
    5,490.59x = 7,568.84 × 4,309.61
  4. Step 4: Simplify right side
    5,490.59x = 32,618,721.48
  5. Step 5: Solve for x
    x = 32,618,721.48/5,490.59
  6. Step 6: Final answer
    x = 5,940.85

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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.