Home / 7,785.90-10,744.53-4,249.11

Finding the Fourth Proportional to 7,785.90, 10,744.53 and 4,249.11

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Solution

The fourth proportional to 7,785.90, 10,744.53 and 4,249.11 is: 5,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.90 : 10,744.53 = 4,249.11 : x
  2. Step 2: Convert to fraction form
    7,785.90/10,744.53 = 4,249.11/x
  3. Step 3: Cross multiply
    7,785.90x = 10,744.53 × 4,249.11
  4. Step 4: Simplify right side
    7,785.90x = 45,654,689.87
  5. Step 5: Solve for x
    x = 45,654,689.87/7,785.90
  6. Step 6: Final answer
    x = 5,863.77

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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.