Home / 5,076.08-7,014.12-3,959.84

Finding the Fourth Proportional to 5,076.08, 7,014.12 and 3,959.84

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Solution

The fourth proportional to 5,076.08, 7,014.12 and 3,959.84 is: 5,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.08 : 7,014.12 = 3,959.84 : x
  2. Step 2: Convert to fraction form
    5,076.08/7,014.12 = 3,959.84/x
  3. Step 3: Cross multiply
    5,076.08x = 7,014.12 × 3,959.84
  4. Step 4: Simplify right side
    5,076.08x = 27,774,792.94
  5. Step 5: Solve for x
    x = 27,774,792.94/5,076.08
  6. Step 6: Final answer
    x = 5,471.70

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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.