Home / 5,259.05-7,257.62-2,869.06

Finding the Fourth Proportional to 5,259.05, 7,257.62 and 2,869.06

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Solution

The fourth proportional to 5,259.05, 7,257.62 and 2,869.06 is: 3,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.05 : 7,257.62 = 2,869.06 : x
  2. Step 2: Convert to fraction form
    5,259.05/7,257.62 = 2,869.06/x
  3. Step 3: Cross multiply
    5,259.05x = 7,257.62 × 2,869.06
  4. Step 4: Simplify right side
    5,259.05x = 20,822,530.89
  5. Step 5: Solve for x
    x = 20,822,530.89/5,259.05
  6. Step 6: Final answer
    x = 3,959.37

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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.