Home / 5,456.65-7,529.84-3,218.62

Finding the Fourth Proportional to 5,456.65, 7,529.84 and 3,218.62

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Solution

The fourth proportional to 5,456.65, 7,529.84 and 3,218.62 is: 4,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.65 : 7,529.84 = 3,218.62 : x
  2. Step 2: Convert to fraction form
    5,456.65/7,529.84 = 3,218.62/x
  3. Step 3: Cross multiply
    5,456.65x = 7,529.84 × 3,218.62
  4. Step 4: Simplify right side
    5,456.65x = 24,235,693.62
  5. Step 5: Solve for x
    x = 24,235,693.62/5,456.65
  6. Step 6: Final answer
    x = 4,441.50

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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.