Home / 4,886.73-7,330.10-3,918.98

Finding the Fourth Proportional to 4,886.73, 7,330.10 and 3,918.98

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Solution

The fourth proportional to 4,886.73, 7,330.10 and 3,918.98 is: 5,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.73 : 7,330.10 = 3,918.98 : x
  2. Step 2: Convert to fraction form
    4,886.73/7,330.10 = 3,918.98/x
  3. Step 3: Cross multiply
    4,886.73x = 7,330.10 × 3,918.98
  4. Step 4: Simplify right side
    4,886.73x = 28,726,514.03
  5. Step 5: Solve for x
    x = 28,726,514.03/4,886.73
  6. Step 6: Final answer
    x = 5,878.47

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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.