Home / 5,579.12-7,699.47-3,222.02

Finding the Fourth Proportional to 5,579.12, 7,699.47 and 3,222.02

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Solution

The fourth proportional to 5,579.12, 7,699.47 and 3,222.02 is: 4,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.12 : 7,699.47 = 3,222.02 : x
  2. Step 2: Convert to fraction form
    5,579.12/7,699.47 = 3,222.02/x
  3. Step 3: Cross multiply
    5,579.12x = 7,699.47 × 3,222.02
  4. Step 4: Simplify right side
    5,579.12x = 24,807,807.83
  5. Step 5: Solve for x
    x = 24,807,807.83/5,579.12
  6. Step 6: Final answer
    x = 4,446.55

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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.