Home / 8,191.13-12,283.57-2,925.15

Finding the Fourth Proportional to 8,191.13, 12,283.57 and 2,925.15

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Solution

The fourth proportional to 8,191.13, 12,283.57 and 2,925.15 is: 4,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.13 : 12,283.57 = 2,925.15 : x
  2. Step 2: Convert to fraction form
    8,191.13/12,283.57 = 2,925.15/x
  3. Step 3: Cross multiply
    8,191.13x = 12,283.57 × 2,925.15
  4. Step 4: Simplify right side
    8,191.13x = 35,931,295.02
  5. Step 5: Solve for x
    x = 35,931,295.02/8,191.13
  6. Step 6: Final answer
    x = 4,386.61

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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.