Home / 4,815.16-7,209.70-2,501.80

Finding the Fourth Proportional to 4,815.16, 7,209.70 and 2,501.80

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Solution

The fourth proportional to 4,815.16, 7,209.70 and 2,501.80 is: 3,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.16 : 7,209.70 = 2,501.80 : x
  2. Step 2: Convert to fraction form
    4,815.16/7,209.70 = 2,501.80/x
  3. Step 3: Cross multiply
    4,815.16x = 7,209.70 × 2,501.80
  4. Step 4: Simplify right side
    4,815.16x = 18,037,227.46
  5. Step 5: Solve for x
    x = 18,037,227.46/4,815.16
  6. Step 6: Final answer
    x = 3,745.92

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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.