Home / 5,579.80-7,700.35-3,062.02

Finding the Fourth Proportional to 5,579.80, 7,700.35 and 3,062.02

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Solution

The fourth proportional to 5,579.80, 7,700.35 and 3,062.02 is: 4,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.80 : 7,700.35 = 3,062.02 : x
  2. Step 2: Convert to fraction form
    5,579.80/7,700.35 = 3,062.02/x
  3. Step 3: Cross multiply
    5,579.80x = 7,700.35 × 3,062.02
  4. Step 4: Simplify right side
    5,579.80x = 23,578,625.71
  5. Step 5: Solve for x
    x = 23,578,625.71/5,579.80
  6. Step 6: Final answer
    x = 4,225.71

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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.