Home / 5,102.28-7,041.65-3,114.17

Finding the Fourth Proportional to 5,102.28, 7,041.65 and 3,114.17

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Solution

The fourth proportional to 5,102.28, 7,041.65 and 3,114.17 is: 4,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.28 : 7,041.65 = 3,114.17 : x
  2. Step 2: Convert to fraction form
    5,102.28/7,041.65 = 3,114.17/x
  3. Step 3: Cross multiply
    5,102.28x = 7,041.65 × 3,114.17
  4. Step 4: Simplify right side
    5,102.28x = 21,928,844.40
  5. Step 5: Solve for x
    x = 21,928,844.40/5,102.28
  6. Step 6: Final answer
    x = 4,297.85

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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.