Home / 7,135.09-10,701.72-2,974.33

Finding the Fourth Proportional to 7,135.09, 10,701.72 and 2,974.33

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Solution

The fourth proportional to 7,135.09, 10,701.72 and 2,974.33 is: 4,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.09 : 10,701.72 = 2,974.33 : x
  2. Step 2: Convert to fraction form
    7,135.09/10,701.72 = 2,974.33/x
  3. Step 3: Cross multiply
    7,135.09x = 10,701.72 × 2,974.33
  4. Step 4: Simplify right side
    7,135.09x = 31,830,446.85
  5. Step 5: Solve for x
    x = 31,830,446.85/7,135.09
  6. Step 6: Final answer
    x = 4,461.11

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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.