Home / 8,576.16-12,856.02-2,728.96

Finding the Fourth Proportional to 8,576.16, 12,856.02 and 2,728.96

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Solution

The fourth proportional to 8,576.16, 12,856.02 and 2,728.96 is: 4,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.16 : 12,856.02 = 2,728.96 : x
  2. Step 2: Convert to fraction form
    8,576.16/12,856.02 = 2,728.96/x
  3. Step 3: Cross multiply
    8,576.16x = 12,856.02 × 2,728.96
  4. Step 4: Simplify right side
    8,576.16x = 35,083,564.34
  5. Step 5: Solve for x
    x = 35,083,564.34/8,576.16
  6. Step 6: Final answer
    x = 4,090.82

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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.