Home / 4,084.78-6,123.93-1,486.30

Finding the Fourth Proportional to 4,084.78, 6,123.93 and 1,486.30

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Solution

The fourth proportional to 4,084.78, 6,123.93 and 1,486.30 is: 2,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.78 : 6,123.93 = 1,486.30 : x
  2. Step 2: Convert to fraction form
    4,084.78/6,123.93 = 1,486.30/x
  3. Step 3: Cross multiply
    4,084.78x = 6,123.93 × 1,486.30
  4. Step 4: Simplify right side
    4,084.78x = 9,101,997.16
  5. Step 5: Solve for x
    x = 9,101,997.16/4,084.78
  6. Step 6: Final answer
    x = 2,228.27

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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.