Home / 5,629.78-8,445.56-2,510.88

Finding the Fourth Proportional to 5,629.78, 8,445.56 and 2,510.88

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Solution

The fourth proportional to 5,629.78, 8,445.56 and 2,510.88 is: 3,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.78 : 8,445.56 = 2,510.88 : x
  2. Step 2: Convert to fraction form
    5,629.78/8,445.56 = 2,510.88/x
  3. Step 3: Cross multiply
    5,629.78x = 8,445.56 × 2,510.88
  4. Step 4: Simplify right side
    5,629.78x = 21,205,787.69
  5. Step 5: Solve for x
    x = 21,205,787.69/5,629.78
  6. Step 6: Final answer
    x = 3,766.72

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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.