Home / 4,742.53-7,115.64-1,968.49

Finding the Fourth Proportional to 4,742.53, 7,115.64 and 1,968.49

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Solution

The fourth proportional to 4,742.53, 7,115.64 and 1,968.49 is: 2,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.53 : 7,115.64 = 1,968.49 : x
  2. Step 2: Convert to fraction form
    4,742.53/7,115.64 = 1,968.49/x
  3. Step 3: Cross multiply
    4,742.53x = 7,115.64 × 1,968.49
  4. Step 4: Simplify right side
    4,742.53x = 14,007,066.18
  5. Step 5: Solve for x
    x = 14,007,066.18/4,742.53
  6. Step 6: Final answer
    x = 2,953.50

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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.