Home / 8,685.72-13,026.60-2,446.38

Finding the Fourth Proportional to 8,685.72, 13,026.60 and 2,446.38

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Solution

The fourth proportional to 8,685.72, 13,026.60 and 2,446.38 is: 3,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.72 : 13,026.60 = 2,446.38 : x
  2. Step 2: Convert to fraction form
    8,685.72/13,026.60 = 2,446.38/x
  3. Step 3: Cross multiply
    8,685.72x = 13,026.60 × 2,446.38
  4. Step 4: Simplify right side
    8,685.72x = 31,868,013.71
  5. Step 5: Solve for x
    x = 31,868,013.71/8,685.72
  6. Step 6: Final answer
    x = 3,669.01

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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.