Home / 8,110.16-12,159.62-3,180.30

Finding the Fourth Proportional to 8,110.16, 12,159.62 and 3,180.30

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Solution

The fourth proportional to 8,110.16, 12,159.62 and 3,180.30 is: 4,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.16 : 12,159.62 = 3,180.30 : x
  2. Step 2: Convert to fraction form
    8,110.16/12,159.62 = 3,180.30/x
  3. Step 3: Cross multiply
    8,110.16x = 12,159.62 × 3,180.30
  4. Step 4: Simplify right side
    8,110.16x = 38,671,189.91
  5. Step 5: Solve for x
    x = 38,671,189.91/8,110.16
  6. Step 6: Final answer
    x = 4,768.24

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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.