Home / 5,330.69-7,989.06-2,862.62

Finding the Fourth Proportional to 5,330.69, 7,989.06 and 2,862.62

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Solution

The fourth proportional to 5,330.69, 7,989.06 and 2,862.62 is: 4,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.69 : 7,989.06 = 2,862.62 : x
  2. Step 2: Convert to fraction form
    5,330.69/7,989.06 = 2,862.62/x
  3. Step 3: Cross multiply
    5,330.69x = 7,989.06 × 2,862.62
  4. Step 4: Simplify right side
    5,330.69x = 22,869,602.99
  5. Step 5: Solve for x
    x = 22,869,602.99/5,330.69
  6. Step 6: Final answer
    x = 4,290.18

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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.