Home / 4,084.18-6,123.48-1,486.78

Finding the Fourth Proportional to 4,084.18, 6,123.48 and 1,486.78

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Solution

The fourth proportional to 4,084.18, 6,123.48 and 1,486.78 is: 2,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.18 : 6,123.48 = 1,486.78 : x
  2. Step 2: Convert to fraction form
    4,084.18/6,123.48 = 1,486.78/x
  3. Step 3: Cross multiply
    4,084.18x = 6,123.48 × 1,486.78
  4. Step 4: Simplify right side
    4,084.18x = 9,104,267.59
  5. Step 5: Solve for x
    x = 9,104,267.59/4,084.18
  6. Step 6: Final answer
    x = 2,229.15

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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.