Home / 8,918.34-13,377.57-2,345.19

Finding the Fourth Proportional to 8,918.34, 13,377.57 and 2,345.19

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Solution

The fourth proportional to 8,918.34, 13,377.57 and 2,345.19 is: 3,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.34 : 13,377.57 = 2,345.19 : x
  2. Step 2: Convert to fraction form
    8,918.34/13,377.57 = 2,345.19/x
  3. Step 3: Cross multiply
    8,918.34x = 13,377.57 × 2,345.19
  4. Step 4: Simplify right side
    8,918.34x = 31,372,943.39
  5. Step 5: Solve for x
    x = 31,372,943.39/8,918.34
  6. Step 6: Final answer
    x = 3,517.80

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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.