Home / 4,445.78-6,135.65-2,557.44

Finding the Fourth Proportional to 4,445.78, 6,135.65 and 2,557.44

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Solution

The fourth proportional to 4,445.78, 6,135.65 and 2,557.44 is: 3,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.78 : 6,135.65 = 2,557.44 : x
  2. Step 2: Convert to fraction form
    4,445.78/6,135.65 = 2,557.44/x
  3. Step 3: Cross multiply
    4,445.78x = 6,135.65 × 2,557.44
  4. Step 4: Simplify right side
    4,445.78x = 15,691,543.95
  5. Step 5: Solve for x
    x = 15,691,543.95/4,445.78
  6. Step 6: Final answer
    x = 3,529.54

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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.