Home / 8,817.12-13,205.42-5,110.18

Finding the Fourth Proportional to 8,817.12, 13,205.42 and 5,110.18

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Solution

The fourth proportional to 8,817.12, 13,205.42 and 5,110.18 is: 7,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.12 : 13,205.42 = 5,110.18 : x
  2. Step 2: Convert to fraction form
    8,817.12/13,205.42 = 5,110.18/x
  3. Step 3: Cross multiply
    8,817.12x = 13,205.42 × 5,110.18
  4. Step 4: Simplify right side
    8,817.12x = 67,482,073.18
  5. Step 5: Solve for x
    x = 67,482,073.18/8,817.12
  6. Step 6: Final answer
    x = 7,653.53

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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.