Home / 5,918.79-8,165.49-4,151.58

Finding the Fourth Proportional to 5,918.79, 8,165.49 and 4,151.58

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Solution

The fourth proportional to 5,918.79, 8,165.49 and 4,151.58 is: 5,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.79 : 8,165.49 = 4,151.58 : x
  2. Step 2: Convert to fraction form
    5,918.79/8,165.49 = 4,151.58/x
  3. Step 3: Cross multiply
    5,918.79x = 8,165.49 × 4,151.58
  4. Step 4: Simplify right side
    5,918.79x = 33,899,684.97
  5. Step 5: Solve for x
    x = 33,899,684.97/5,918.79
  6. Step 6: Final answer
    x = 5,727.47

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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.