Home / 4,712.10-7,064.46-2,862.78

Finding the Fourth Proportional to 4,712.10, 7,064.46 and 2,862.78

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Solution

The fourth proportional to 4,712.10, 7,064.46 and 2,862.78 is: 4,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.10 : 7,064.46 = 2,862.78 : x
  2. Step 2: Convert to fraction form
    4,712.10/7,064.46 = 2,862.78/x
  3. Step 3: Cross multiply
    4,712.10x = 7,064.46 × 2,862.78
  4. Step 4: Simplify right side
    4,712.10x = 20,223,994.80
  5. Step 5: Solve for x
    x = 20,223,994.80/4,712.10
  6. Step 6: Final answer
    x = 4,291.93

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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.