Home / 4,827.20-7,230.26-2,875.10

Finding the Fourth Proportional to 4,827.20, 7,230.26 and 2,875.10

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Solution

The fourth proportional to 4,827.20, 7,230.26 and 2,875.10 is: 4,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.20 : 7,230.26 = 2,875.10 : x
  2. Step 2: Convert to fraction form
    4,827.20/7,230.26 = 2,875.10/x
  3. Step 3: Cross multiply
    4,827.20x = 7,230.26 × 2,875.10
  4. Step 4: Simplify right side
    4,827.20x = 20,787,691.56
  5. Step 5: Solve for x
    x = 20,787,691.56/4,827.20
  6. Step 6: Final answer
    x = 4,306.37

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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.