Home / 8,896.68-12,278.52-5,750.64

Finding the Fourth Proportional to 8,896.68, 12,278.52 and 5,750.64

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Solution

The fourth proportional to 8,896.68, 12,278.52 and 5,750.64 is: 7,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.68 : 12,278.52 = 5,750.64 : x
  2. Step 2: Convert to fraction form
    8,896.68/12,278.52 = 5,750.64/x
  3. Step 3: Cross multiply
    8,896.68x = 12,278.52 × 5,750.64
  4. Step 4: Simplify right side
    8,896.68x = 70,609,348.25
  5. Step 5: Solve for x
    x = 70,609,348.25/8,896.68
  6. Step 6: Final answer
    x = 7,936.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.