Home / 8,904.40-13,356.60-2,331.15

Finding the Fourth Proportional to 8,904.40, 13,356.60 and 2,331.15

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Solution

The fourth proportional to 8,904.40, 13,356.60 and 2,331.15 is: 3,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.40 : 13,356.60 = 2,331.15 : x
  2. Step 2: Convert to fraction form
    8,904.40/13,356.60 = 2,331.15/x
  3. Step 3: Cross multiply
    8,904.40x = 13,356.60 × 2,331.15
  4. Step 4: Simplify right side
    8,904.40x = 31,136,179.26
  5. Step 5: Solve for x
    x = 31,136,179.26/8,904.40
  6. Step 6: Final answer
    x = 3,496.72

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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.