Home / 5,153.28-7,115.04-3,292.80

Finding the Fourth Proportional to 5,153.28, 7,115.04 and 3,292.80

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Solution

The fourth proportional to 5,153.28, 7,115.04 and 3,292.80 is: 4,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.28 : 7,115.04 = 3,292.80 : x
  2. Step 2: Convert to fraction form
    5,153.28/7,115.04 = 3,292.80/x
  3. Step 3: Cross multiply
    5,153.28x = 7,115.04 × 3,292.80
  4. Step 4: Simplify right side
    5,153.28x = 23,428,403.71
  5. Step 5: Solve for x
    x = 23,428,403.71/5,153.28
  6. Step 6: Final answer
    x = 4,546.31

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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.