Home / 8,117.48-12,169.38-3,441.08

Finding the Fourth Proportional to 8,117.48, 12,169.38 and 3,441.08

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Solution

The fourth proportional to 8,117.48, 12,169.38 and 3,441.08 is: 5,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.48 : 12,169.38 = 3,441.08 : x
  2. Step 2: Convert to fraction form
    8,117.48/12,169.38 = 3,441.08/x
  3. Step 3: Cross multiply
    8,117.48x = 12,169.38 × 3,441.08
  4. Step 4: Simplify right side
    8,117.48x = 41,875,810.13
  5. Step 5: Solve for x
    x = 41,875,810.13/8,117.48
  6. Step 6: Final answer
    x = 5,158.72

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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.