Home / 7,901.21-11,850.30-2,354.74

Finding the Fourth Proportional to 7,901.21, 11,850.30 and 2,354.74

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Solution

The fourth proportional to 7,901.21, 11,850.30 and 2,354.74 is: 3,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.21 : 11,850.30 = 2,354.74 : x
  2. Step 2: Convert to fraction form
    7,901.21/11,850.30 = 2,354.74/x
  3. Step 3: Cross multiply
    7,901.21x = 11,850.30 × 2,354.74
  4. Step 4: Simplify right side
    7,901.21x = 27,904,345.80
  5. Step 5: Solve for x
    x = 27,904,345.80/7,901.21
  6. Step 6: Final answer
    x = 3,531.65

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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.