Home / 5,561.88-8,341.60-1,864.64

Finding the Fourth Proportional to 5,561.88, 8,341.60 and 1,864.64

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Solution

The fourth proportional to 5,561.88, 8,341.60 and 1,864.64 is: 2,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.88 : 8,341.60 = 1,864.64 : x
  2. Step 2: Convert to fraction form
    5,561.88/8,341.60 = 1,864.64/x
  3. Step 3: Cross multiply
    5,561.88x = 8,341.60 × 1,864.64
  4. Step 4: Simplify right side
    5,561.88x = 15,554,081.02
  5. Step 5: Solve for x
    x = 15,554,081.02/5,561.88
  6. Step 6: Final answer
    x = 2,796.55

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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.