Home / 8,735.78-13,101.50-5,447.18

Finding the Fourth Proportional to 8,735.78, 13,101.50 and 5,447.18

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Solution

The fourth proportional to 8,735.78, 13,101.50 and 5,447.18 is: 8,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.78 : 13,101.50 = 5,447.18 : x
  2. Step 2: Convert to fraction form
    8,735.78/13,101.50 = 5,447.18/x
  3. Step 3: Cross multiply
    8,735.78x = 13,101.50 × 5,447.18
  4. Step 4: Simplify right side
    8,735.78x = 71,366,228.77
  5. Step 5: Solve for x
    x = 71,366,228.77/8,735.78
  6. Step 6: Final answer
    x = 8,169.42

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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.