Home / 8,914.16-12,301.74-4,881.36

Finding the Fourth Proportional to 8,914.16, 12,301.74 and 4,881.36

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Solution

The fourth proportional to 8,914.16, 12,301.74 and 4,881.36 is: 6,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.16 : 12,301.74 = 4,881.36 : x
  2. Step 2: Convert to fraction form
    8,914.16/12,301.74 = 4,881.36/x
  3. Step 3: Cross multiply
    8,914.16x = 12,301.74 × 4,881.36
  4. Step 4: Simplify right side
    8,914.16x = 60,049,221.57
  5. Step 5: Solve for x
    x = 60,049,221.57/8,914.16
  6. Step 6: Final answer
    x = 6,736.39

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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.