Home / 7,389.70-10,198.17-4,246.09

Finding the Fourth Proportional to 7,389.70, 10,198.17 and 4,246.09

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Solution

The fourth proportional to 7,389.70, 10,198.17 and 4,246.09 is: 5,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.70 : 10,198.17 = 4,246.09 : x
  2. Step 2: Convert to fraction form
    7,389.70/10,198.17 = 4,246.09/x
  3. Step 3: Cross multiply
    7,389.70x = 10,198.17 × 4,246.09
  4. Step 4: Simplify right side
    7,389.70x = 43,302,347.66
  5. Step 5: Solve for x
    x = 43,302,347.66/7,389.70
  6. Step 6: Final answer
    x = 5,859.82

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1.5x scale

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.