Home / 5,095.71-7,643.57-4,103.88

Finding the Fourth Proportional to 5,095.71, 7,643.57 and 4,103.88

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Solution

The fourth proportional to 5,095.71, 7,643.57 and 4,103.88 is: 6,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.71 : 7,643.57 = 4,103.88 : x
  2. Step 2: Convert to fraction form
    5,095.71/7,643.57 = 4,103.88/x
  3. Step 3: Cross multiply
    5,095.71x = 7,643.57 × 4,103.88
  4. Step 4: Simplify right side
    5,095.71x = 31,368,267.95
  5. Step 5: Solve for x
    x = 31,368,267.95/5,095.71
  6. Step 6: Final answer
    x = 6,155.82

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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.