Home / 5,527.31-7,628.02-3,170.21

Finding the Fourth Proportional to 5,527.31, 7,628.02 and 3,170.21

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Solution

The fourth proportional to 5,527.31, 7,628.02 and 3,170.21 is: 4,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.31 : 7,628.02 = 3,170.21 : x
  2. Step 2: Convert to fraction form
    5,527.31/7,628.02 = 3,170.21/x
  3. Step 3: Cross multiply
    5,527.31x = 7,628.02 × 3,170.21
  4. Step 4: Simplify right side
    5,527.31x = 24,182,387.14
  5. Step 5: Solve for x
    x = 24,182,387.14/5,527.31
  6. Step 6: Final answer
    x = 4,375.08

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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.