Home / 9,306.65-12,842.50-5,327.70

Finding the Fourth Proportional to 9,306.65, 12,842.50 and 5,327.70

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Solution

The fourth proportional to 9,306.65, 12,842.50 and 5,327.70 is: 7,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.65 : 12,842.50 = 5,327.70 : x
  2. Step 2: Convert to fraction form
    9,306.65/12,842.50 = 5,327.70/x
  3. Step 3: Cross multiply
    9,306.65x = 12,842.50 × 5,327.70
  4. Step 4: Simplify right side
    9,306.65x = 68,420,987.25
  5. Step 5: Solve for x
    x = 68,420,987.25/9,306.65
  6. Step 6: Final answer
    x = 7,351.84

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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.