Home / 4,500.10-6,750.41-1,380.14

Finding the Fourth Proportional to 4,500.10, 6,750.41 and 1,380.14

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Solution

The fourth proportional to 4,500.10, 6,750.41 and 1,380.14 is: 2,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.10 : 6,750.41 = 1,380.14 : x
  2. Step 2: Convert to fraction form
    4,500.10/6,750.41 = 1,380.14/x
  3. Step 3: Cross multiply
    4,500.10x = 6,750.41 × 1,380.14
  4. Step 4: Simplify right side
    4,500.10x = 9,316,480.56
  5. Step 5: Solve for x
    x = 9,316,480.56/4,500.10
  6. Step 6: Final answer
    x = 2,070.28

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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.