Home / 6,742.90-10,103.55-4,273.30

Finding the Fourth Proportional to 6,742.90, 10,103.55 and 4,273.30

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Solution

The fourth proportional to 6,742.90, 10,103.55 and 4,273.30 is: 6,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.90 : 10,103.55 = 4,273.30 : x
  2. Step 2: Convert to fraction form
    6,742.90/10,103.55 = 4,273.30/x
  3. Step 3: Cross multiply
    6,742.90x = 10,103.55 × 4,273.30
  4. Step 4: Simplify right side
    6,742.90x = 43,175,500.22
  5. Step 5: Solve for x
    x = 43,175,500.22/6,742.90
  6. Step 6: Final answer
    x = 6,403.11

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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.