Home / 5,108.51-7,655.64-2,763.47

Finding the Fourth Proportional to 5,108.51, 7,655.64 and 2,763.47

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Solution

The fourth proportional to 5,108.51, 7,655.64 and 2,763.47 is: 4,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.51 : 7,655.64 = 2,763.47 : x
  2. Step 2: Convert to fraction form
    5,108.51/7,655.64 = 2,763.47/x
  3. Step 3: Cross multiply
    5,108.51x = 7,655.64 × 2,763.47
  4. Step 4: Simplify right side
    5,108.51x = 21,156,131.47
  5. Step 5: Solve for x
    x = 21,156,131.47/5,108.51
  6. Step 6: Final answer
    x = 4,141.35

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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.