Home / 8,318.23-11,483.39-6,425.55

Finding the Fourth Proportional to 8,318.23, 11,483.39 and 6,425.55

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Solution

The fourth proportional to 8,318.23, 11,483.39 and 6,425.55 is: 8,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.23 : 11,483.39 = 6,425.55 : x
  2. Step 2: Convert to fraction form
    8,318.23/11,483.39 = 6,425.55/x
  3. Step 3: Cross multiply
    8,318.23x = 11,483.39 × 6,425.55
  4. Step 4: Simplify right side
    8,318.23x = 73,787,112.68
  5. Step 5: Solve for x
    x = 73,787,112.68/8,318.23
  6. Step 6: Final answer
    x = 8,870.53

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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.