Home / 8,822.12-12,174.91-5,285.25

Finding the Fourth Proportional to 8,822.12, 12,174.91 and 5,285.25

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Solution

The fourth proportional to 8,822.12, 12,174.91 and 5,285.25 is: 7,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.12 : 12,174.91 = 5,285.25 : x
  2. Step 2: Convert to fraction form
    8,822.12/12,174.91 = 5,285.25/x
  3. Step 3: Cross multiply
    8,822.12x = 12,174.91 × 5,285.25
  4. Step 4: Simplify right side
    8,822.12x = 64,347,429.86
  5. Step 5: Solve for x
    x = 64,347,429.86/8,822.12
  6. Step 6: Final answer
    x = 7,293.88

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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.