Home / 8,758.06-12,082.08-5,921.80

Finding the Fourth Proportional to 8,758.06, 12,082.08 and 5,921.80

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Solution

The fourth proportional to 8,758.06, 12,082.08 and 5,921.80 is: 8,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.06 : 12,082.08 = 5,921.80 : x
  2. Step 2: Convert to fraction form
    8,758.06/12,082.08 = 5,921.80/x
  3. Step 3: Cross multiply
    8,758.06x = 12,082.08 × 5,921.80
  4. Step 4: Simplify right side
    8,758.06x = 71,547,661.34
  5. Step 5: Solve for x
    x = 71,547,661.34/8,758.06
  6. Step 6: Final answer
    x = 8,169.35

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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.