Home / 5,205.05-7,801.28-3,009.26

Finding the Fourth Proportional to 5,205.05, 7,801.28 and 3,009.26

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Solution

The fourth proportional to 5,205.05, 7,801.28 and 3,009.26 is: 4,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.05 : 7,801.28 = 3,009.26 : x
  2. Step 2: Convert to fraction form
    5,205.05/7,801.28 = 3,009.26/x
  3. Step 3: Cross multiply
    5,205.05x = 7,801.28 × 3,009.26
  4. Step 4: Simplify right side
    5,205.05x = 23,476,079.85
  5. Step 5: Solve for x
    x = 23,476,079.85/5,205.05
  6. Step 6: Final answer
    x = 4,510.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.