Home / 5,124.36-7,685.70-1,836.96

Finding the Fourth Proportional to 5,124.36, 7,685.70 and 1,836.96

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Solution

The fourth proportional to 5,124.36, 7,685.70 and 1,836.96 is: 2,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.36 : 7,685.70 = 1,836.96 : x
  2. Step 2: Convert to fraction form
    5,124.36/7,685.70 = 1,836.96/x
  3. Step 3: Cross multiply
    5,124.36x = 7,685.70 × 1,836.96
  4. Step 4: Simplify right side
    5,124.36x = 14,118,323.47
  5. Step 5: Solve for x
    x = 14,118,323.47/5,124.36
  6. Step 6: Final answer
    x = 2,755.14

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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.