Home / 4,742.28-7,116.59-1,968.95

Finding the Fourth Proportional to 4,742.28, 7,116.59 and 1,968.95

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Solution

The fourth proportional to 4,742.28, 7,116.59 and 1,968.95 is: 2,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.28 : 7,116.59 = 1,968.95 : x
  2. Step 2: Convert to fraction form
    4,742.28/7,116.59 = 1,968.95/x
  3. Step 3: Cross multiply
    4,742.28x = 7,116.59 × 1,968.95
  4. Step 4: Simplify right side
    4,742.28x = 14,012,232.59
  5. Step 5: Solve for x
    x = 14,012,232.59/4,742.28
  6. Step 6: Final answer
    x = 2,954.75

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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.