Home / 4,872.30-7,308.45-2,102.10

Finding the Fourth Proportional to 4,872.30, 7,308.45 and 2,102.10

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Solution

The fourth proportional to 4,872.30, 7,308.45 and 2,102.10 is: 3,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.30 : 7,308.45 = 2,102.10 : x
  2. Step 2: Convert to fraction form
    4,872.30/7,308.45 = 2,102.10/x
  3. Step 3: Cross multiply
    4,872.30x = 7,308.45 × 2,102.10
  4. Step 4: Simplify right side
    4,872.30x = 15,363,092.75
  5. Step 5: Solve for x
    x = 15,363,092.75/4,872.30
  6. Step 6: Final answer
    x = 3,153.15

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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.