Home / 6,689.38-9,231.06-4,036.18

Finding the Fourth Proportional to 6,689.38, 9,231.06 and 4,036.18

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Solution

The fourth proportional to 6,689.38, 9,231.06 and 4,036.18 is: 5,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.38 : 9,231.06 = 4,036.18 : x
  2. Step 2: Convert to fraction form
    6,689.38/9,231.06 = 4,036.18/x
  3. Step 3: Cross multiply
    6,689.38x = 9,231.06 × 4,036.18
  4. Step 4: Simplify right side
    6,689.38x = 37,258,219.75
  5. Step 5: Solve for x
    x = 37,258,219.75/6,689.38
  6. Step 6: Final answer
    x = 5,569.76

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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.