Home / 5,077.08-7,015.50-3,960.84

Finding the Fourth Proportional to 5,077.08, 7,015.50 and 3,960.84

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Solution

The fourth proportional to 5,077.08, 7,015.50 and 3,960.84 is: 5,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.08 : 7,015.50 = 3,960.84 : x
  2. Step 2: Convert to fraction form
    5,077.08/7,015.50 = 3,960.84/x
  3. Step 3: Cross multiply
    5,077.08x = 7,015.50 × 3,960.84
  4. Step 4: Simplify right side
    5,077.08x = 27,787,273.02
  5. Step 5: Solve for x
    x = 27,787,273.02/5,077.08
  6. Step 6: Final answer
    x = 5,473.08

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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.