Home / 4,552.12-6,278.78-2,784.60

Finding the Fourth Proportional to 4,552.12, 6,278.78 and 2,784.60

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Solution

The fourth proportional to 4,552.12, 6,278.78 and 2,784.60 is: 3,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552.12 : 6,278.78 = 2,784.60 : x
  2. Step 2: Convert to fraction form
    4,552.12/6,278.78 = 2,784.60/x
  3. Step 3: Cross multiply
    4,552.12x = 6,278.78 × 2,784.60
  4. Step 4: Simplify right side
    4,552.12x = 17,483,876.87
  5. Step 5: Solve for x
    x = 17,483,876.87/4,552.12
  6. Step 6: Final answer
    x = 3,840.82

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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.