Home / 9,118.19-13,677.29-2,878.84

Finding the Fourth Proportional to 9,118.19, 13,677.29 and 2,878.84

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Solution

The fourth proportional to 9,118.19, 13,677.29 and 2,878.84 is: 4,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.19 : 13,677.29 = 2,878.84 : x
  2. Step 2: Convert to fraction form
    9,118.19/13,677.29 = 2,878.84/x
  3. Step 3: Cross multiply
    9,118.19x = 13,677.29 × 2,878.84
  4. Step 4: Simplify right side
    9,118.19x = 39,374,725.49
  5. Step 5: Solve for x
    x = 39,374,725.49/9,118.19
  6. Step 6: Final answer
    x = 4,318.26

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1.5x scale

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.