Home / 6,753.80-10,127.66-2,856.20

Finding the Fourth Proportional to 6,753.80, 10,127.66 and 2,856.20

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Solution

The fourth proportional to 6,753.80, 10,127.66 and 2,856.20 is: 4,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.80 : 10,127.66 = 2,856.20 : x
  2. Step 2: Convert to fraction form
    6,753.80/10,127.66 = 2,856.20/x
  3. Step 3: Cross multiply
    6,753.80x = 10,127.66 × 2,856.20
  4. Step 4: Simplify right side
    6,753.80x = 28,926,622.49
  5. Step 5: Solve for x
    x = 28,926,622.49/6,753.80
  6. Step 6: Final answer
    x = 4,283.01

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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.