Home / 4,820.10-7,230.10-2,480.76

Finding the Fourth Proportional to 4,820.10, 7,230.10 and 2,480.76

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Solution

The fourth proportional to 4,820.10, 7,230.10 and 2,480.76 is: 3,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.10 : 7,230.10 = 2,480.76 : x
  2. Step 2: Convert to fraction form
    4,820.10/7,230.10 = 2,480.76/x
  3. Step 3: Cross multiply
    4,820.10x = 7,230.10 × 2,480.76
  4. Step 4: Simplify right side
    4,820.10x = 17,936,142.88
  5. Step 5: Solve for x
    x = 17,936,142.88/4,820.10
  6. Step 6: Final answer
    x = 3,721.11

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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.