Home / 5,118.47-7,677.10-3,011.36

Finding the Fourth Proportional to 5,118.47, 7,677.10 and 3,011.36

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Solution

The fourth proportional to 5,118.47, 7,677.10 and 3,011.36 is: 4,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.47 : 7,677.10 = 3,011.36 : x
  2. Step 2: Convert to fraction form
    5,118.47/7,677.10 = 3,011.36/x
  3. Step 3: Cross multiply
    5,118.47x = 7,677.10 × 3,011.36
  4. Step 4: Simplify right side
    5,118.47x = 23,118,523.52
  5. Step 5: Solve for x
    x = 23,118,523.52/5,118.47
  6. Step 6: Final answer
    x = 4,516.68

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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.