Home / 6,455.41-8,908.56-3,766.55

Finding the Fourth Proportional to 6,455.41, 8,908.56 and 3,766.55

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Solution

The fourth proportional to 6,455.41, 8,908.56 and 3,766.55 is: 5,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.41 : 8,908.56 = 3,766.55 : x
  2. Step 2: Convert to fraction form
    6,455.41/8,908.56 = 3,766.55/x
  3. Step 3: Cross multiply
    6,455.41x = 8,908.56 × 3,766.55
  4. Step 4: Simplify right side
    6,455.41x = 33,554,536.67
  5. Step 5: Solve for x
    x = 33,554,536.67/6,455.41
  6. Step 6: Final answer
    x = 5,197.89

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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.