Home / 7,974.18-11,006.26-4,829.76

Finding the Fourth Proportional to 7,974.18, 11,006.26 and 4,829.76

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Solution

The fourth proportional to 7,974.18, 11,006.26 and 4,829.76 is: 6,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.18 : 11,006.26 = 4,829.76 : x
  2. Step 2: Convert to fraction form
    7,974.18/11,006.26 = 4,829.76/x
  3. Step 3: Cross multiply
    7,974.18x = 11,006.26 × 4,829.76
  4. Step 4: Simplify right side
    7,974.18x = 53,157,594.30
  5. Step 5: Solve for x
    x = 53,157,594.30/7,974.18
  6. Step 6: Final answer
    x = 6,666.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.