Home / 8,820.42-13,239.27-4,206.66

Finding the Fourth Proportional to 8,820.42, 13,239.27 and 4,206.66

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Solution

The fourth proportional to 8,820.42, 13,239.27 and 4,206.66 is: 6,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.42 : 13,239.27 = 4,206.66 : x
  2. Step 2: Convert to fraction form
    8,820.42/13,239.27 = 4,206.66/x
  3. Step 3: Cross multiply
    8,820.42x = 13,239.27 × 4,206.66
  4. Step 4: Simplify right side
    8,820.42x = 55,693,107.54
  5. Step 5: Solve for x
    x = 55,693,107.54/8,820.42
  6. Step 6: Final answer
    x = 6,314.11

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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.