Home / 5,125.16-7,687.74-1,838.46

Finding the Fourth Proportional to 5,125.16, 7,687.74 and 1,838.46

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Solution

The fourth proportional to 5,125.16, 7,687.74 and 1,838.46 is: 2,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.16 : 7,687.74 = 1,838.46 : x
  2. Step 2: Convert to fraction form
    5,125.16/7,687.74 = 1,838.46/x
  3. Step 3: Cross multiply
    5,125.16x = 7,687.74 × 1,838.46
  4. Step 4: Simplify right side
    5,125.16x = 14,133,602.48
  5. Step 5: Solve for x
    x = 14,133,602.48/5,125.16
  6. Step 6: Final answer
    x = 2,757.69

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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.