Home / 9,245.80-12,757.86-5,266.28

Finding the Fourth Proportional to 9,245.80, 12,757.86 and 5,266.28

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Solution

The fourth proportional to 9,245.80, 12,757.86 and 5,266.28 is: 7,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.80 : 12,757.86 = 5,266.28 : x
  2. Step 2: Convert to fraction form
    9,245.80/12,757.86 = 5,266.28/x
  3. Step 3: Cross multiply
    9,245.80x = 12,757.86 × 5,266.28
  4. Step 4: Simplify right side
    9,245.80x = 67,186,462.96
  5. Step 5: Solve for x
    x = 67,186,462.96/9,245.80
  6. Step 6: Final answer
    x = 7,266.70

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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.