Home / 8,875.20-12,247.78-4,896.58

Finding the Fourth Proportional to 8,875.20, 12,247.78 and 4,896.58

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Solution

The fourth proportional to 8,875.20, 12,247.78 and 4,896.58 is: 6,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.20 : 12,247.78 = 4,896.58 : x
  2. Step 2: Convert to fraction form
    8,875.20/12,247.78 = 4,896.58/x
  3. Step 3: Cross multiply
    8,875.20x = 12,247.78 × 4,896.58
  4. Step 4: Simplify right side
    8,875.20x = 59,972,203.20
  5. Step 5: Solve for x
    x = 59,972,203.20/8,875.20
  6. Step 6: Final answer
    x = 6,757.28

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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.