Home / 7,498.35-11,242.90-5,161.19

Finding the Fourth Proportional to 7,498.35, 11,242.90 and 5,161.19

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Solution

The fourth proportional to 7,498.35, 11,242.90 and 5,161.19 is: 7,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.35 : 11,242.90 = 5,161.19 : x
  2. Step 2: Convert to fraction form
    7,498.35/11,242.90 = 5,161.19/x
  3. Step 3: Cross multiply
    7,498.35x = 11,242.90 × 5,161.19
  4. Step 4: Simplify right side
    7,498.35x = 58,026,743.05
  5. Step 5: Solve for x
    x = 58,026,743.05/7,498.35
  6. Step 6: Final answer
    x = 7,738.60

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1.5x scale

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.