Home / 9,147.40-12,622.44-6,758.62

Finding the Fourth Proportional to 9,147.40, 12,622.44 and 6,758.62

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Solution

The fourth proportional to 9,147.40, 12,622.44 and 6,758.62 is: 9,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.40 : 12,622.44 = 6,758.62 : x
  2. Step 2: Convert to fraction form
    9,147.40/12,622.44 = 6,758.62/x
  3. Step 3: Cross multiply
    9,147.40x = 12,622.44 × 6,758.62
  4. Step 4: Simplify right side
    9,147.40x = 85,310,275.43
  5. Step 5: Solve for x
    x = 85,310,275.43/9,147.40
  6. Step 6: Final answer
    x = 9,326.18

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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.