Home / 8,600.25-11,868.35-5,065.64

Finding the Fourth Proportional to 8,600.25, 11,868.35 and 5,065.64

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Solution

The fourth proportional to 8,600.25, 11,868.35 and 5,065.64 is: 6,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.25 : 11,868.35 = 5,065.64 : x
  2. Step 2: Convert to fraction form
    8,600.25/11,868.35 = 5,065.64/x
  3. Step 3: Cross multiply
    8,600.25x = 11,868.35 × 5,065.64
  4. Step 4: Simplify right side
    8,600.25x = 60,120,788.49
  5. Step 5: Solve for x
    x = 60,120,788.49/8,600.25
  6. Step 6: Final answer
    x = 6,990.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.