Home / 5,153.87-7,734.91-1,867.91

Finding the Fourth Proportional to 5,153.87, 7,734.91 and 1,867.91

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Solution

The fourth proportional to 5,153.87, 7,734.91 and 1,867.91 is: 2,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.87 : 7,734.91 = 1,867.91 : x
  2. Step 2: Convert to fraction form
    5,153.87/7,734.91 = 1,867.91/x
  3. Step 3: Cross multiply
    5,153.87x = 7,734.91 × 1,867.91
  4. Step 4: Simplify right side
    5,153.87x = 14,448,072.39
  5. Step 5: Solve for x
    x = 14,448,072.39/5,153.87
  6. Step 6: Final answer
    x = 2,803.34

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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.