Home / 5,918.19-8,168.54-3,559.88

Finding the Fourth Proportional to 5,918.19, 8,168.54 and 3,559.88

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Solution

The fourth proportional to 5,918.19, 8,168.54 and 3,559.88 is: 4,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.19 : 8,168.54 = 3,559.88 : x
  2. Step 2: Convert to fraction form
    5,918.19/8,168.54 = 3,559.88/x
  3. Step 3: Cross multiply
    5,918.19x = 8,168.54 × 3,559.88
  4. Step 4: Simplify right side
    5,918.19x = 29,078,963.53
  5. Step 5: Solve for x
    x = 29,078,963.53/5,918.19
  6. Step 6: Final answer
    x = 4,913.49

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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.