Home / 7,387.68-11,081.97-2,457.75

Finding the Fourth Proportional to 7,387.68, 11,081.97 and 2,457.75

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Solution

The fourth proportional to 7,387.68, 11,081.97 and 2,457.75 is: 3,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.68 : 11,081.97 = 2,457.75 : x
  2. Step 2: Convert to fraction form
    7,387.68/11,081.97 = 2,457.75/x
  3. Step 3: Cross multiply
    7,387.68x = 11,081.97 × 2,457.75
  4. Step 4: Simplify right side
    7,387.68x = 27,236,711.77
  5. Step 5: Solve for x
    x = 27,236,711.77/7,387.68
  6. Step 6: Final answer
    x = 3,686.77

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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.