Home / 6,742.52-10,111.32-2,847.20

Finding the Fourth Proportional to 6,742.52, 10,111.32 and 2,847.20

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Solution

The fourth proportional to 6,742.52, 10,111.32 and 2,847.20 is: 4,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.52 : 10,111.32 = 2,847.20 : x
  2. Step 2: Convert to fraction form
    6,742.52/10,111.32 = 2,847.20/x
  3. Step 3: Cross multiply
    6,742.52x = 10,111.32 × 2,847.20
  4. Step 4: Simplify right side
    6,742.52x = 28,788,950.30
  5. Step 5: Solve for x
    x = 28,788,950.30/6,742.52
  6. Step 6: Final answer
    x = 4,269.76

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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.