Home / 8,938.18-13,405.55-2,696.74

Finding the Fourth Proportional to 8,938.18, 13,405.55 and 2,696.74

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Solution

The fourth proportional to 8,938.18, 13,405.55 and 2,696.74 is: 4,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.18 : 13,405.55 = 2,696.74 : x
  2. Step 2: Convert to fraction form
    8,938.18/13,405.55 = 2,696.74/x
  3. Step 3: Cross multiply
    8,938.18x = 13,405.55 × 2,696.74
  4. Step 4: Simplify right side
    8,938.18x = 36,151,326.48
  5. Step 5: Solve for x
    x = 36,151,326.48/8,938.18
  6. Step 6: Final answer
    x = 4,044.60

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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.