Home / 8,860.40-12,227.91-4,881.51

Finding the Fourth Proportional to 8,860.40, 12,227.91 and 4,881.51

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Solution

The fourth proportional to 8,860.40, 12,227.91 and 4,881.51 is: 6,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.40 : 12,227.91 = 4,881.51 : x
  2. Step 2: Convert to fraction form
    8,860.40/12,227.91 = 4,881.51/x
  3. Step 3: Cross multiply
    8,860.40x = 12,227.91 × 4,881.51
  4. Step 4: Simplify right side
    8,860.40x = 59,690,664.94
  5. Step 5: Solve for x
    x = 59,690,664.94/8,860.40
  6. Step 6: Final answer
    x = 6,736.79

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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.