Home / 8,135.43-11,224.74-4,777.17

Finding the Fourth Proportional to 8,135.43, 11,224.74 and 4,777.17

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Solution

The fourth proportional to 8,135.43, 11,224.74 and 4,777.17 is: 6,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.43 : 11,224.74 = 4,777.17 : x
  2. Step 2: Convert to fraction form
    8,135.43/11,224.74 = 4,777.17/x
  3. Step 3: Cross multiply
    8,135.43x = 11,224.74 × 4,777.17
  4. Step 4: Simplify right side
    8,135.43x = 53,622,491.19
  5. Step 5: Solve for x
    x = 53,622,491.19/8,135.43
  6. Step 6: Final answer
    x = 6,591.23

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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.