Home / 5,878.47-8,820.33-2,919.87

Finding the Fourth Proportional to 5,878.47, 8,820.33 and 2,919.87

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Solution

The fourth proportional to 5,878.47, 8,820.33 and 2,919.87 is: 4,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.47 : 8,820.33 = 2,919.87 : x
  2. Step 2: Convert to fraction form
    5,878.47/8,820.33 = 2,919.87/x
  3. Step 3: Cross multiply
    5,878.47x = 8,820.33 × 2,919.87
  4. Step 4: Simplify right side
    5,878.47x = 25,754,243.13
  5. Step 5: Solve for x
    x = 25,754,243.13/5,878.47
  6. Step 6: Final answer
    x = 4,381.11

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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.