Home / 5,320.65-7,982.51-2,200.07

Finding the Fourth Proportional to 5,320.65, 7,982.51 and 2,200.07

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Solution

The fourth proportional to 5,320.65, 7,982.51 and 2,200.07 is: 3,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.65 : 7,982.51 = 2,200.07 : x
  2. Step 2: Convert to fraction form
    5,320.65/7,982.51 = 2,200.07/x
  3. Step 3: Cross multiply
    5,320.65x = 7,982.51 × 2,200.07
  4. Step 4: Simplify right side
    5,320.65x = 17,562,069.78
  5. Step 5: Solve for x
    x = 17,562,069.78/5,320.65
  6. Step 6: Final answer
    x = 3,300.74

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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.