Home / 5,629.78-8,445.57-1,734.18

Finding the Fourth Proportional to 5,629.78, 8,445.57 and 1,734.18

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Solution

The fourth proportional to 5,629.78, 8,445.57 and 1,734.18 is: 2,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.78 : 8,445.57 = 1,734.18 : x
  2. Step 2: Convert to fraction form
    5,629.78/8,445.57 = 1,734.18/x
  3. Step 3: Cross multiply
    5,629.78x = 8,445.57 × 1,734.18
  4. Step 4: Simplify right side
    5,629.78x = 14,646,138.58
  5. Step 5: Solve for x
    x = 14,646,138.58/5,629.78
  6. Step 6: Final answer
    x = 2,601.55

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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.