Home / 6,656.89-9,186.45-3,672.85

Finding the Fourth Proportional to 6,656.89, 9,186.45 and 3,672.85

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Solution

The fourth proportional to 6,656.89, 9,186.45 and 3,672.85 is: 5,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.89 : 9,186.45 = 3,672.85 : x
  2. Step 2: Convert to fraction form
    6,656.89/9,186.45 = 3,672.85/x
  3. Step 3: Cross multiply
    6,656.89x = 9,186.45 × 3,672.85
  4. Step 4: Simplify right side
    6,656.89x = 33,740,452.88
  5. Step 5: Solve for x
    x = 33,740,452.88/6,656.89
  6. Step 6: Final answer
    x = 5,068.50

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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.