Home / 7,081.12-10,617.46-2,698.92

Finding the Fourth Proportional to 7,081.12, 10,617.46 and 2,698.92

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Solution

The fourth proportional to 7,081.12, 10,617.46 and 2,698.92 is: 4,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.12 : 10,617.46 = 2,698.92 : x
  2. Step 2: Convert to fraction form
    7,081.12/10,617.46 = 2,698.92/x
  3. Step 3: Cross multiply
    7,081.12x = 10,617.46 × 2,698.92
  4. Step 4: Simplify right side
    7,081.12x = 28,655,675.14
  5. Step 5: Solve for x
    x = 28,655,675.14/7,081.12
  6. Step 6: Final answer
    x = 4,046.77

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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.