Home / 9,306.60-12,842.75-5,328.08

Finding the Fourth Proportional to 9,306.60, 12,842.75 and 5,328.08

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Solution

The fourth proportional to 9,306.60, 12,842.75 and 5,328.08 is: 7,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.60 : 12,842.75 = 5,328.08 : x
  2. Step 2: Convert to fraction form
    9,306.60/12,842.75 = 5,328.08/x
  3. Step 3: Cross multiply
    9,306.60x = 12,842.75 × 5,328.08
  4. Step 4: Simplify right side
    9,306.60x = 68,427,199.42
  5. Step 5: Solve for x
    x = 68,427,199.42/9,306.60
  6. Step 6: Final answer
    x = 7,352.55

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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.