Home / 5,110.65-7,057.17-3,225.60

Finding the Fourth Proportional to 5,110.65, 7,057.17 and 3,225.60

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Solution

The fourth proportional to 5,110.65, 7,057.17 and 3,225.60 is: 4,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.65 : 7,057.17 = 3,225.60 : x
  2. Step 2: Convert to fraction form
    5,110.65/7,057.17 = 3,225.60/x
  3. Step 3: Cross multiply
    5,110.65x = 7,057.17 × 3,225.60
  4. Step 4: Simplify right side
    5,110.65x = 22,763,607.55
  5. Step 5: Solve for x
    x = 22,763,607.55/5,110.65
  6. Step 6: Final answer
    x = 4,454.15

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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.