Home / 5,106.51-7,652.64-2,761.47

Finding the Fourth Proportional to 5,106.51, 7,652.64 and 2,761.47

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Solution

The fourth proportional to 5,106.51, 7,652.64 and 2,761.47 is: 4,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.51 : 7,652.64 = 2,761.47 : x
  2. Step 2: Convert to fraction form
    5,106.51/7,652.64 = 2,761.47/x
  3. Step 3: Cross multiply
    5,106.51x = 7,652.64 × 2,761.47
  4. Step 4: Simplify right side
    5,106.51x = 21,132,535.78
  5. Step 5: Solve for x
    x = 21,132,535.78/5,106.51
  6. Step 6: Final answer
    x = 4,138.35

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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.