Home / 8,711.07-13,068.17-3,172.19

Finding the Fourth Proportional to 8,711.07, 13,068.17 and 3,172.19

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Solution

The fourth proportional to 8,711.07, 13,068.17 and 3,172.19 is: 4,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.07 : 13,068.17 = 3,172.19 : x
  2. Step 2: Convert to fraction form
    8,711.07/13,068.17 = 3,172.19/x
  3. Step 3: Cross multiply
    8,711.07x = 13,068.17 × 3,172.19
  4. Step 4: Simplify right side
    8,711.07x = 41,454,758.79
  5. Step 5: Solve for x
    x = 41,454,758.79/8,711.07
  6. Step 6: Final answer
    x = 4,758.86

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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.