Home / 8,191.19-12,268.06-4,897.53

Finding the Fourth Proportional to 8,191.19, 12,268.06 and 4,897.53

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Solution

The fourth proportional to 8,191.19, 12,268.06 and 4,897.53 is: 7,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.19 : 12,268.06 = 4,897.53 : x
  2. Step 2: Convert to fraction form
    8,191.19/12,268.06 = 4,897.53/x
  3. Step 3: Cross multiply
    8,191.19x = 12,268.06 × 4,897.53
  4. Step 4: Simplify right side
    8,191.19x = 60,083,179.65
  5. Step 5: Solve for x
    x = 60,083,179.65/8,191.19
  6. Step 6: Final answer
    x = 7,335.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.