Home / 5,532.12-7,623.70-3,539.20

Finding the Fourth Proportional to 5,532.12, 7,623.70 and 3,539.20

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Solution

The fourth proportional to 5,532.12, 7,623.70 and 3,539.20 is: 4,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532.12 : 7,623.70 = 3,539.20 : x
  2. Step 2: Convert to fraction form
    5,532.12/7,623.70 = 3,539.20/x
  3. Step 3: Cross multiply
    5,532.12x = 7,623.70 × 3,539.20
  4. Step 4: Simplify right side
    5,532.12x = 26,981,799.04
  5. Step 5: Solve for x
    x = 26,981,799.04/5,532.12
  6. Step 6: Final answer
    x = 4,877.30

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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.