Home / 7,519.09-10,376.17-4,161.70

Finding the Fourth Proportional to 7,519.09, 10,376.17 and 4,161.70

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Solution

The fourth proportional to 7,519.09, 10,376.17 and 4,161.70 is: 5,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.09 : 10,376.17 = 4,161.70 : x
  2. Step 2: Convert to fraction form
    7,519.09/10,376.17 = 4,161.70/x
  3. Step 3: Cross multiply
    7,519.09x = 10,376.17 × 4,161.70
  4. Step 4: Simplify right side
    7,519.09x = 43,182,506.69
  5. Step 5: Solve for x
    x = 43,182,506.69/7,519.09
  6. Step 6: Final answer
    x = 5,743.05

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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.