Home / 8,234.18-11,360.11-5,403.13

Finding the Fourth Proportional to 8,234.18, 11,360.11 and 5,403.13

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Solution

The fourth proportional to 8,234.18, 11,360.11 and 5,403.13 is: 7,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.18 : 11,360.11 = 5,403.13 : x
  2. Step 2: Convert to fraction form
    8,234.18/11,360.11 = 5,403.13/x
  3. Step 3: Cross multiply
    8,234.18x = 11,360.11 × 5,403.13
  4. Step 4: Simplify right side
    8,234.18x = 61,380,109.24
  5. Step 5: Solve for x
    x = 61,380,109.24/8,234.18
  6. Step 6: Final answer
    x = 7,454.31

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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.