Home / 4,742.39-7,114.13-1,968.70

Finding the Fourth Proportional to 4,742.39, 7,114.13 and 1,968.70

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Solution

The fourth proportional to 4,742.39, 7,114.13 and 1,968.70 is: 2,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.39 : 7,114.13 = 1,968.70 : x
  2. Step 2: Convert to fraction form
    4,742.39/7,114.13 = 1,968.70/x
  3. Step 3: Cross multiply
    4,742.39x = 7,114.13 × 1,968.70
  4. Step 4: Simplify right side
    4,742.39x = 14,005,587.73
  5. Step 5: Solve for x
    x = 14,005,587.73/4,742.39
  6. Step 6: Final answer
    x = 2,953.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.