Home / 7,481.70-11,206.35-4,857.30

Finding the Fourth Proportional to 7,481.70, 11,206.35 and 4,857.30

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Solution

The fourth proportional to 7,481.70, 11,206.35 and 4,857.30 is: 7,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.70 : 11,206.35 = 4,857.30 : x
  2. Step 2: Convert to fraction form
    7,481.70/11,206.35 = 4,857.30/x
  3. Step 3: Cross multiply
    7,481.70x = 11,206.35 × 4,857.30
  4. Step 4: Simplify right side
    7,481.70x = 54,432,603.86
  5. Step 5: Solve for x
    x = 54,432,603.86/7,481.70
  6. Step 6: Final answer
    x = 7,275.43

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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.