Home / 5,039.20-6,954.30-2,801.06

Finding the Fourth Proportional to 5,039.20, 6,954.30 and 2,801.06

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Solution

The fourth proportional to 5,039.20, 6,954.30 and 2,801.06 is: 3,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.20 : 6,954.30 = 2,801.06 : x
  2. Step 2: Convert to fraction form
    5,039.20/6,954.30 = 2,801.06/x
  3. Step 3: Cross multiply
    5,039.20x = 6,954.30 × 2,801.06
  4. Step 4: Simplify right side
    5,039.20x = 19,479,411.56
  5. Step 5: Solve for x
    x = 19,479,411.56/5,039.20
  6. Step 6: Final answer
    x = 3,865.58

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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.