Home / 7,101.28-10,651.93-2,718.74

Finding the Fourth Proportional to 7,101.28, 10,651.93 and 2,718.74

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Solution

The fourth proportional to 7,101.28, 10,651.93 and 2,718.74 is: 4,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.28 : 10,651.93 = 2,718.74 : x
  2. Step 2: Convert to fraction form
    7,101.28/10,651.93 = 2,718.74/x
  3. Step 3: Cross multiply
    7,101.28x = 10,651.93 × 2,718.74
  4. Step 4: Simplify right side
    7,101.28x = 28,959,848.00
  5. Step 5: Solve for x
    x = 28,959,848.00/7,101.28
  6. Step 6: Final answer
    x = 4,078.12

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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.