Home / 7,456.20-10,285.75-5,684.73

Finding the Fourth Proportional to 7,456.20, 10,285.75 and 5,684.73

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Solution

The fourth proportional to 7,456.20, 10,285.75 and 5,684.73 is: 7,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.20 : 10,285.75 = 5,684.73 : x
  2. Step 2: Convert to fraction form
    7,456.20/10,285.75 = 5,684.73/x
  3. Step 3: Cross multiply
    7,456.20x = 10,285.75 × 5,684.73
  4. Step 4: Simplify right side
    7,456.20x = 58,471,711.60
  5. Step 5: Solve for x
    x = 58,471,711.60/7,456.20
  6. Step 6: Final answer
    x = 7,842.03

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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.