Home / 4,543.97-6,812.15-3,153.20

Finding the Fourth Proportional to 4,543.97, 6,812.15 and 3,153.20

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Solution

The fourth proportional to 4,543.97, 6,812.15 and 3,153.20 is: 4,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.97 : 6,812.15 = 3,153.20 : x
  2. Step 2: Convert to fraction form
    4,543.97/6,812.15 = 3,153.20/x
  3. Step 3: Cross multiply
    4,543.97x = 6,812.15 × 3,153.20
  4. Step 4: Simplify right side
    4,543.97x = 21,480,021.55
  5. Step 5: Solve for x
    x = 21,480,021.55/4,543.97
  6. Step 6: Final answer
    x = 4,727.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.