Home / 8,969.36-13,454.40-4,581.70

Finding the Fourth Proportional to 8,969.36, 13,454.40 and 4,581.70

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Solution

The fourth proportional to 8,969.36, 13,454.40 and 4,581.70 is: 6,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.36 : 13,454.40 = 4,581.70 : x
  2. Step 2: Convert to fraction form
    8,969.36/13,454.40 = 4,581.70/x
  3. Step 3: Cross multiply
    8,969.36x = 13,454.40 × 4,581.70
  4. Step 4: Simplify right side
    8,969.36x = 61,644,024.48
  5. Step 5: Solve for x
    x = 61,644,024.48/8,969.36
  6. Step 6: Final answer
    x = 6,872.73

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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.