Home / 8,891.07-12,265.83-5,113.36

Finding the Fourth Proportional to 8,891.07, 12,265.83 and 5,113.36

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Solution

The fourth proportional to 8,891.07, 12,265.83 and 5,113.36 is: 7,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.07 : 12,265.83 = 5,113.36 : x
  2. Step 2: Convert to fraction form
    8,891.07/12,265.83 = 5,113.36/x
  3. Step 3: Cross multiply
    8,891.07x = 12,265.83 × 5,113.36
  4. Step 4: Simplify right side
    8,891.07x = 62,719,604.49
  5. Step 5: Solve for x
    x = 62,719,604.49/8,891.07
  6. Step 6: Final answer
    x = 7,054.22

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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.