Home / 6,665.55-9,188.96-5,170.83

Finding the Fourth Proportional to 6,665.55, 9,188.96 and 5,170.83

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Solution

The fourth proportional to 6,665.55, 9,188.96 and 5,170.83 is: 7,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.55 : 9,188.96 = 5,170.83 : x
  2. Step 2: Convert to fraction form
    6,665.55/9,188.96 = 5,170.83/x
  3. Step 3: Cross multiply
    6,665.55x = 9,188.96 × 5,170.83
  4. Step 4: Simplify right side
    6,665.55x = 47,514,524.18
  5. Step 5: Solve for x
    x = 47,514,524.18/6,665.55
  6. Step 6: Final answer
    x = 7,128.37

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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.