Home / 6,405.55-8,841.33-4,173.55

Finding the Fourth Proportional to 6,405.55, 8,841.33 and 4,173.55

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Solution

The fourth proportional to 6,405.55, 8,841.33 and 4,173.55 is: 5,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.55 : 8,841.33 = 4,173.55 : x
  2. Step 2: Convert to fraction form
    6,405.55/8,841.33 = 4,173.55/x
  3. Step 3: Cross multiply
    6,405.55x = 8,841.33 × 4,173.55
  4. Step 4: Simplify right side
    6,405.55x = 36,899,732.82
  5. Step 5: Solve for x
    x = 36,899,732.82/6,405.55
  6. Step 6: Final answer
    x = 5,760.59

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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.