Home / 8,428.26-12,638.10-4,733.04

Finding the Fourth Proportional to 8,428.26, 12,638.10 and 4,733.04

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Solution

The fourth proportional to 8,428.26, 12,638.10 and 4,733.04 is: 7,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.26 : 12,638.10 = 4,733.04 : x
  2. Step 2: Convert to fraction form
    8,428.26/12,638.10 = 4,733.04/x
  3. Step 3: Cross multiply
    8,428.26x = 12,638.10 × 4,733.04
  4. Step 4: Simplify right side
    8,428.26x = 59,816,632.82
  5. Step 5: Solve for x
    x = 59,816,632.82/8,428.26
  6. Step 6: Final answer
    x = 7,097.15

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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.