Home / 7,984.12-11,013.24-6,302.92

Finding the Fourth Proportional to 7,984.12, 11,013.24 and 6,302.92

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Solution

The fourth proportional to 7,984.12, 11,013.24 and 6,302.92 is: 8,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.12 : 11,013.24 = 6,302.92 : x
  2. Step 2: Convert to fraction form
    7,984.12/11,013.24 = 6,302.92/x
  3. Step 3: Cross multiply
    7,984.12x = 11,013.24 × 6,302.92
  4. Step 4: Simplify right side
    7,984.12x = 69,415,570.66
  5. Step 5: Solve for x
    x = 69,415,570.66/7,984.12
  6. Step 6: Final answer
    x = 8,694.20

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Double scale
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Similar ratio
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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.