Home / 6,187.65-9,279.60-2,238.45

Finding the Fourth Proportional to 6,187.65, 9,279.60 and 2,238.45

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Solution

The fourth proportional to 6,187.65, 9,279.60 and 2,238.45 is: 3,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.65 : 9,279.60 = 2,238.45 : x
  2. Step 2: Convert to fraction form
    6,187.65/9,279.60 = 2,238.45/x
  3. Step 3: Cross multiply
    6,187.65x = 9,279.60 × 2,238.45
  4. Step 4: Simplify right side
    6,187.65x = 20,771,920.62
  5. Step 5: Solve for x
    x = 20,771,920.62/6,187.65
  6. Step 6: Final answer
    x = 3,357.00

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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.