Home / 5,124.64-7,685.64-1,837.36

Finding the Fourth Proportional to 5,124.64, 7,685.64 and 1,837.36

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Solution

The fourth proportional to 5,124.64, 7,685.64 and 1,837.36 is: 2,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.64 : 7,685.64 = 1,837.36 : x
  2. Step 2: Convert to fraction form
    5,124.64/7,685.64 = 1,837.36/x
  3. Step 3: Cross multiply
    5,124.64x = 7,685.64 × 1,837.36
  4. Step 4: Simplify right side
    5,124.64x = 14,121,287.51
  5. Step 5: Solve for x
    x = 14,121,287.51/5,124.64
  6. Step 6: Final answer
    x = 2,755.57

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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.