Home / 8,828.72-13,243.60-4,445.04

Finding the Fourth Proportional to 8,828.72, 13,243.60 and 4,445.04

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Solution

The fourth proportional to 8,828.72, 13,243.60 and 4,445.04 is: 6,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.72 : 13,243.60 = 4,445.04 : x
  2. Step 2: Convert to fraction form
    8,828.72/13,243.60 = 4,445.04/x
  3. Step 3: Cross multiply
    8,828.72x = 13,243.60 × 4,445.04
  4. Step 4: Simplify right side
    8,828.72x = 58,868,331.74
  5. Step 5: Solve for x
    x = 58,868,331.74/8,828.72
  6. Step 6: Final answer
    x = 6,667.82

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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.