Home / 6,666.08-9,199.91-4,278.60

Finding the Fourth Proportional to 6,666.08, 9,199.91 and 4,278.60

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Solution

The fourth proportional to 6,666.08, 9,199.91 and 4,278.60 is: 5,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.08 : 9,199.91 = 4,278.60 : x
  2. Step 2: Convert to fraction form
    6,666.08/9,199.91 = 4,278.60/x
  3. Step 3: Cross multiply
    6,666.08x = 9,199.91 × 4,278.60
  4. Step 4: Simplify right side
    6,666.08x = 39,362,745.62
  5. Step 5: Solve for x
    x = 39,362,745.62/6,666.08
  6. Step 6: Final answer
    x = 5,904.94

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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.