Home / 8,754.24-12,082.28-4,979.08

Finding the Fourth Proportional to 8,754.24, 12,082.28 and 4,979.08

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Solution

The fourth proportional to 8,754.24, 12,082.28 and 4,979.08 is: 6,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.24 : 12,082.28 = 4,979.08 : x
  2. Step 2: Convert to fraction form
    8,754.24/12,082.28 = 4,979.08/x
  3. Step 3: Cross multiply
    8,754.24x = 12,082.28 × 4,979.08
  4. Step 4: Simplify right side
    8,754.24x = 60,158,638.70
  5. Step 5: Solve for x
    x = 60,158,638.70/8,754.24
  6. Step 6: Final answer
    x = 6,871.94

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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.