Home / 5,220.79-7,832.05-2,588.42

Finding the Fourth Proportional to 5,220.79, 7,832.05 and 2,588.42

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Solution

The fourth proportional to 5,220.79, 7,832.05 and 2,588.42 is: 3,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.79 : 7,832.05 = 2,588.42 : x
  2. Step 2: Convert to fraction form
    5,220.79/7,832.05 = 2,588.42/x
  3. Step 3: Cross multiply
    5,220.79x = 7,832.05 × 2,588.42
  4. Step 4: Simplify right side
    5,220.79x = 20,272,589.23
  5. Step 5: Solve for x
    x = 20,272,589.23/5,220.79
  6. Step 6: Final answer
    x = 3,883.05

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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.