Home / 8,079.63-11,155.41-6,187.88

Finding the Fourth Proportional to 8,079.63, 11,155.41 and 6,187.88

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Solution

The fourth proportional to 8,079.63, 11,155.41 and 6,187.88 is: 8,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.63 : 11,155.41 = 6,187.88 : x
  2. Step 2: Convert to fraction form
    8,079.63/11,155.41 = 6,187.88/x
  3. Step 3: Cross multiply
    8,079.63x = 11,155.41 × 6,187.88
  4. Step 4: Simplify right side
    8,079.63x = 69,028,282.65
  5. Step 5: Solve for x
    x = 69,028,282.65/8,079.63
  6. Step 6: Final answer
    x = 8,543.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.