Home / 8,937.30-12,326.67-5,396.79

Finding the Fourth Proportional to 8,937.30, 12,326.67 and 5,396.79

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Solution

The fourth proportional to 8,937.30, 12,326.67 and 5,396.79 is: 7,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.30 : 12,326.67 = 5,396.79 : x
  2. Step 2: Convert to fraction form
    8,937.30/12,326.67 = 5,396.79/x
  3. Step 3: Cross multiply
    8,937.30x = 12,326.67 × 5,396.79
  4. Step 4: Simplify right side
    8,937.30x = 66,524,449.39
  5. Step 5: Solve for x
    x = 66,524,449.39/8,937.30
  6. Step 6: Final answer
    x = 7,443.46

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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.