Home / 9,119.46-13,677.37-2,878.41

Finding the Fourth Proportional to 9,119.46, 13,677.37 and 2,878.41

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Solution

The fourth proportional to 9,119.46, 13,677.37 and 2,878.41 is: 4,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.46 : 13,677.37 = 2,878.41 : x
  2. Step 2: Convert to fraction form
    9,119.46/13,677.37 = 2,878.41/x
  3. Step 3: Cross multiply
    9,119.46x = 13,677.37 × 2,878.41
  4. Step 4: Simplify right side
    9,119.46x = 39,369,071.39
  5. Step 5: Solve for x
    x = 39,369,071.39/9,119.46
  6. Step 6: Final answer
    x = 4,317.04

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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.