Home / 5,557.88-8,338.08-1,860.32

Finding the Fourth Proportional to 5,557.88, 8,338.08 and 1,860.32

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Solution

The fourth proportional to 5,557.88, 8,338.08 and 1,860.32 is: 2,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.88 : 8,338.08 = 1,860.32 : x
  2. Step 2: Convert to fraction form
    5,557.88/8,338.08 = 1,860.32/x
  3. Step 3: Cross multiply
    5,557.88x = 8,338.08 × 1,860.32
  4. Step 4: Simplify right side
    5,557.88x = 15,511,496.99
  5. Step 5: Solve for x
    x = 15,511,496.99/5,557.88
  6. Step 6: Final answer
    x = 2,790.90

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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.