Home / 7,901.85-11,853.45-2,354.85

Finding the Fourth Proportional to 7,901.85, 11,853.45 and 2,354.85

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Solution

The fourth proportional to 7,901.85, 11,853.45 and 2,354.85 is: 3,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.85 : 11,853.45 = 2,354.85 : x
  2. Step 2: Convert to fraction form
    7,901.85/11,853.45 = 2,354.85/x
  3. Step 3: Cross multiply
    7,901.85x = 11,853.45 × 2,354.85
  4. Step 4: Simplify right side
    7,901.85x = 27,913,096.73
  5. Step 5: Solve for x
    x = 27,913,096.73/7,901.85
  6. Step 6: Final answer
    x = 3,532.48

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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.