Home / 4,772.80-7,164.60-2,826.10

Finding the Fourth Proportional to 4,772.80, 7,164.60 and 2,826.10

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Solution

The fourth proportional to 4,772.80, 7,164.60 and 2,826.10 is: 4,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.80 : 7,164.60 = 2,826.10 : x
  2. Step 2: Convert to fraction form
    4,772.80/7,164.60 = 2,826.10/x
  3. Step 3: Cross multiply
    4,772.80x = 7,164.60 × 2,826.10
  4. Step 4: Simplify right side
    4,772.80x = 20,247,876.06
  5. Step 5: Solve for x
    x = 20,247,876.06/4,772.80
  6. Step 6: Final answer
    x = 4,242.35

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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.