Home / 6,081.12-9,121.72-1,698.62

Finding the Fourth Proportional to 6,081.12, 9,121.72 and 1,698.62

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Solution

The fourth proportional to 6,081.12, 9,121.72 and 1,698.62 is: 2,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.12 : 9,121.72 = 1,698.62 : x
  2. Step 2: Convert to fraction form
    6,081.12/9,121.72 = 1,698.62/x
  3. Step 3: Cross multiply
    6,081.12x = 9,121.72 × 1,698.62
  4. Step 4: Simplify right side
    6,081.12x = 15,494,286.17
  5. Step 5: Solve for x
    x = 15,494,286.17/6,081.12
  6. Step 6: Final answer
    x = 2,547.93

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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.