Home / 5,232.50-7,851.45-3,478.72

Finding the Fourth Proportional to 5,232.50, 7,851.45 and 3,478.72

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Solution

The fourth proportional to 5,232.50, 7,851.45 and 3,478.72 is: 5,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.50 : 7,851.45 = 3,478.72 : x
  2. Step 2: Convert to fraction form
    5,232.50/7,851.45 = 3,478.72/x
  3. Step 3: Cross multiply
    5,232.50x = 7,851.45 × 3,478.72
  4. Step 4: Simplify right side
    5,232.50x = 27,312,996.14
  5. Step 5: Solve for x
    x = 27,312,996.14/5,232.50
  6. Step 6: Final answer
    x = 5,219.88

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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.