Home / 5,325.73-7,988.98-2,161.65

Finding the Fourth Proportional to 5,325.73, 7,988.98 and 2,161.65

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Solution

The fourth proportional to 5,325.73, 7,988.98 and 2,161.65 is: 3,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.73 : 7,988.98 = 2,161.65 : x
  2. Step 2: Convert to fraction form
    5,325.73/7,988.98 = 2,161.65/x
  3. Step 3: Cross multiply
    5,325.73x = 7,988.98 × 2,161.65
  4. Step 4: Simplify right side
    5,325.73x = 17,269,378.62
  5. Step 5: Solve for x
    x = 17,269,378.62/5,325.73
  6. Step 6: Final answer
    x = 3,242.63

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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.