Home / 6,665.08-9,197.38-3,680.74

Finding the Fourth Proportional to 6,665.08, 9,197.38 and 3,680.74

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Solution

The fourth proportional to 6,665.08, 9,197.38 and 3,680.74 is: 5,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.08 : 9,197.38 = 3,680.74 : x
  2. Step 2: Convert to fraction form
    6,665.08/9,197.38 = 3,680.74/x
  3. Step 3: Cross multiply
    6,665.08x = 9,197.38 × 3,680.74
  4. Step 4: Simplify right side
    6,665.08x = 33,853,118.47
  5. Step 5: Solve for x
    x = 33,853,118.47/6,665.08
  6. Step 6: Final answer
    x = 5,079.18

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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.