Home / 7,850.45-11,774.37-2,585.52

Finding the Fourth Proportional to 7,850.45, 11,774.37 and 2,585.52

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Solution

The fourth proportional to 7,850.45, 11,774.37 and 2,585.52 is: 3,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.45 : 11,774.37 = 2,585.52 : x
  2. Step 2: Convert to fraction form
    7,850.45/11,774.37 = 2,585.52/x
  3. Step 3: Cross multiply
    7,850.45x = 11,774.37 × 2,585.52
  4. Step 4: Simplify right side
    7,850.45x = 30,442,869.12
  5. Step 5: Solve for x
    x = 30,442,869.12/7,850.45
  6. Step 6: Final answer
    x = 3,877.85

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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.