Home / 5,561.18-8,335.96-1,860.37

Finding the Fourth Proportional to 5,561.18, 8,335.96 and 1,860.37

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Solution

The fourth proportional to 5,561.18, 8,335.96 and 1,860.37 is: 2,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.18 : 8,335.96 = 1,860.37 : x
  2. Step 2: Convert to fraction form
    5,561.18/8,335.96 = 1,860.37/x
  3. Step 3: Cross multiply
    5,561.18x = 8,335.96 × 1,860.37
  4. Step 4: Simplify right side
    5,561.18x = 15,507,923.57
  5. Step 5: Solve for x
    x = 15,507,923.57/5,561.18
  6. Step 6: Final answer
    x = 2,788.60

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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.