Home / 8,056.30-11,122.86-7,215.52

Finding the Fourth Proportional to 8,056.30, 11,122.86 and 7,215.52

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Solution

The fourth proportional to 8,056.30, 11,122.86 and 7,215.52 is: 9,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.30 : 11,122.86 = 7,215.52 : x
  2. Step 2: Convert to fraction form
    8,056.30/11,122.86 = 7,215.52/x
  3. Step 3: Cross multiply
    8,056.30x = 11,122.86 × 7,215.52
  4. Step 4: Simplify right side
    8,056.30x = 80,257,218.79
  5. Step 5: Solve for x
    x = 80,257,218.79/8,056.30
  6. Step 6: Final answer
    x = 9,962.04

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Double scale
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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.