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Finding the Fourth Proportional to 4,482.78, 6,186.47 and 2,493.38

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Solution

The fourth proportional to 4,482.78, 6,186.47 and 2,493.38 is: 3,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.78 : 6,186.47 = 2,493.38 : x
  2. Step 2: Convert to fraction form
    4,482.78/6,186.47 = 2,493.38/x
  3. Step 3: Cross multiply
    4,482.78x = 6,186.47 × 2,493.38
  4. Step 4: Simplify right side
    4,482.78x = 15,425,177.17
  5. Step 5: Solve for x
    x = 15,425,177.17/4,482.78
  6. Step 6: Final answer
    x = 3,440.98

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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.