Home / 9,755.15-13,462.00-5,278.80

Finding the Fourth Proportional to 9,755.15, 13,462.00 and 5,278.80

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Solution

The fourth proportional to 9,755.15, 13,462.00 and 5,278.80 is: 7,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.15 : 13,462.00 = 5,278.80 : x
  2. Step 2: Convert to fraction form
    9,755.15/13,462.00 = 5,278.80/x
  3. Step 3: Cross multiply
    9,755.15x = 13,462.00 × 5,278.80
  4. Step 4: Simplify right side
    9,755.15x = 71,063,212.20
  5. Step 5: Solve for x
    x = 71,063,212.20/9,755.15
  6. Step 6: Final answer
    x = 7,284.69

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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.