Home / 8,355.75-11,530.94-4,998.71

Finding the Fourth Proportional to 8,355.75, 11,530.94 and 4,998.71

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Solution

The fourth proportional to 8,355.75, 11,530.94 and 4,998.71 is: 6,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.75 : 11,530.94 = 4,998.71 : x
  2. Step 2: Convert to fraction form
    8,355.75/11,530.94 = 4,998.71/x
  3. Step 3: Cross multiply
    8,355.75x = 11,530.94 × 4,998.71
  4. Step 4: Simplify right side
    8,355.75x = 57,639,742.44
  5. Step 5: Solve for x
    x = 57,639,742.44/8,355.75
  6. Step 6: Final answer
    x = 6,898.21

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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.