Home / 4,077.78-6,123.30-3,774.60

Finding the Fourth Proportional to 4,077.78, 6,123.30 and 3,774.60

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Solution

The fourth proportional to 4,077.78, 6,123.30 and 3,774.60 is: 5,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.78 : 6,123.30 = 3,774.60 : x
  2. Step 2: Convert to fraction form
    4,077.78/6,123.30 = 3,774.60/x
  3. Step 3: Cross multiply
    4,077.78x = 6,123.30 × 3,774.60
  4. Step 4: Simplify right side
    4,077.78x = 23,113,008.18
  5. Step 5: Solve for x
    x = 23,113,008.18/4,077.78
  6. Step 6: Final answer
    x = 5,668.04

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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.