Home / 6,751.12-10,127.76-2,856.64

Finding the Fourth Proportional to 6,751.12, 10,127.76 and 2,856.64

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Solution

The fourth proportional to 6,751.12, 10,127.76 and 2,856.64 is: 4,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.12 : 10,127.76 = 2,856.64 : x
  2. Step 2: Convert to fraction form
    6,751.12/10,127.76 = 2,856.64/x
  3. Step 3: Cross multiply
    6,751.12x = 10,127.76 × 2,856.64
  4. Step 4: Simplify right side
    6,751.12x = 28,931,364.33
  5. Step 5: Solve for x
    x = 28,931,364.33/6,751.12
  6. Step 6: Final answer
    x = 4,285.42

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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.