Home / 8,918.57-13,374.40-2,677.11

Finding the Fourth Proportional to 8,918.57, 13,374.40 and 2,677.11

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Solution

The fourth proportional to 8,918.57, 13,374.40 and 2,677.11 is: 4,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.57 : 13,374.40 = 2,677.11 : x
  2. Step 2: Convert to fraction form
    8,918.57/13,374.40 = 2,677.11/x
  3. Step 3: Cross multiply
    8,918.57x = 13,374.40 × 2,677.11
  4. Step 4: Simplify right side
    8,918.57x = 35,804,746.68
  5. Step 5: Solve for x
    x = 35,804,746.68/8,918.57
  6. Step 6: Final answer
    x = 4,014.63

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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.