Home / 8,217.40-11,338.32-4,860.31

Finding the Fourth Proportional to 8,217.40, 11,338.32 and 4,860.31

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Solution

The fourth proportional to 8,217.40, 11,338.32 and 4,860.31 is: 6,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.40 : 11,338.32 = 4,860.31 : x
  2. Step 2: Convert to fraction form
    8,217.40/11,338.32 = 4,860.31/x
  3. Step 3: Cross multiply
    8,217.40x = 11,338.32 × 4,860.31
  4. Step 4: Simplify right side
    8,217.40x = 55,107,750.08
  5. Step 5: Solve for x
    x = 55,107,750.08/8,217.40
  6. Step 6: Final answer
    x = 6,706.23

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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.