Home / 5,076.95-7,005.74-2,951.78

Finding the Fourth Proportional to 5,076.95, 7,005.74 and 2,951.78

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Solution

The fourth proportional to 5,076.95, 7,005.74 and 2,951.78 is: 4,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.95 : 7,005.74 = 2,951.78 : x
  2. Step 2: Convert to fraction form
    5,076.95/7,005.74 = 2,951.78/x
  3. Step 3: Cross multiply
    5,076.95x = 7,005.74 × 2,951.78
  4. Step 4: Simplify right side
    5,076.95x = 20,679,353.43
  5. Step 5: Solve for x
    x = 20,679,353.43/5,076.95
  6. Step 6: Final answer
    x = 4,073.19

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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.