Home / 8,210.88-11,329.92-4,853.28

Finding the Fourth Proportional to 8,210.88, 11,329.92 and 4,853.28

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Solution

The fourth proportional to 8,210.88, 11,329.92 and 4,853.28 is: 6,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.88 : 11,329.92 = 4,853.28 : x
  2. Step 2: Convert to fraction form
    8,210.88/11,329.92 = 4,853.28/x
  3. Step 3: Cross multiply
    8,210.88x = 11,329.92 × 4,853.28
  4. Step 4: Simplify right side
    8,210.88x = 54,987,274.14
  5. Step 5: Solve for x
    x = 54,987,274.14/8,210.88
  6. Step 6: Final answer
    x = 6,696.88

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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.