Home / 6,187.32-9,278.88-2,488.62

Finding the Fourth Proportional to 6,187.32, 9,278.88 and 2,488.62

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Solution

The fourth proportional to 6,187.32, 9,278.88 and 2,488.62 is: 3,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.32 : 9,278.88 = 2,488.62 : x
  2. Step 2: Convert to fraction form
    6,187.32/9,278.88 = 2,488.62/x
  3. Step 3: Cross multiply
    6,187.32x = 9,278.88 × 2,488.62
  4. Step 4: Simplify right side
    6,187.32x = 23,091,606.35
  5. Step 5: Solve for x
    x = 23,091,606.35/6,187.32
  6. Step 6: Final answer
    x = 3,732.09

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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.