Home / 9,170.52-12,655.56-4,979.04

Finding the Fourth Proportional to 9,170.52, 12,655.56 and 4,979.04

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Solution

The fourth proportional to 9,170.52, 12,655.56 and 4,979.04 is: 6,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.52 : 12,655.56 = 4,979.04 : x
  2. Step 2: Convert to fraction form
    9,170.52/12,655.56 = 4,979.04/x
  3. Step 3: Cross multiply
    9,170.52x = 12,655.56 × 4,979.04
  4. Step 4: Simplify right side
    9,170.52x = 63,012,539.46
  5. Step 5: Solve for x
    x = 63,012,539.46/9,170.52
  6. Step 6: Final answer
    x = 6,871.21

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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.