Home / 8,908.90-13,363.38-6,127.18

Finding the Fourth Proportional to 8,908.90, 13,363.38 and 6,127.18

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Solution

The fourth proportional to 8,908.90, 13,363.38 and 6,127.18 is: 9,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.90 : 13,363.38 = 6,127.18 : x
  2. Step 2: Convert to fraction form
    8,908.90/13,363.38 = 6,127.18/x
  3. Step 3: Cross multiply
    8,908.90x = 13,363.38 × 6,127.18
  4. Step 4: Simplify right side
    8,908.90x = 81,879,834.67
  5. Step 5: Solve for x
    x = 81,879,834.67/8,908.90
  6. Step 6: Final answer
    x = 9,190.79

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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.