Home / 8,168.14-11,274.60-4,810.72

Finding the Fourth Proportional to 8,168.14, 11,274.60 and 4,810.72

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Solution

The fourth proportional to 8,168.14, 11,274.60 and 4,810.72 is: 6,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.14 : 11,274.60 = 4,810.72 : x
  2. Step 2: Convert to fraction form
    8,168.14/11,274.60 = 4,810.72/x
  3. Step 3: Cross multiply
    8,168.14x = 11,274.60 × 4,810.72
  4. Step 4: Simplify right side
    8,168.14x = 54,238,943.71
  5. Step 5: Solve for x
    x = 54,238,943.71/8,168.14
  6. Step 6: Final answer
    x = 6,640.31

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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.