Home / 7,785.96-10,745.04-4,249.19

Finding the Fourth Proportional to 7,785.96, 10,745.04 and 4,249.19

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Solution

The fourth proportional to 7,785.96, 10,745.04 and 4,249.19 is: 5,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.96 : 10,745.04 = 4,249.19 : x
  2. Step 2: Convert to fraction form
    7,785.96/10,745.04 = 4,249.19/x
  3. Step 3: Cross multiply
    7,785.96x = 10,745.04 × 4,249.19
  4. Step 4: Simplify right side
    7,785.96x = 45,657,716.52
  5. Step 5: Solve for x
    x = 45,657,716.52/7,785.96
  6. Step 6: Final answer
    x = 5,864.11

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Half scale
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Double scale
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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.