Home / 7,698.42-10,623.85-4,161.66

Finding the Fourth Proportional to 7,698.42, 10,623.85 and 4,161.66

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Solution

The fourth proportional to 7,698.42, 10,623.85 and 4,161.66 is: 5,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.42 : 10,623.85 = 4,161.66 : x
  2. Step 2: Convert to fraction form
    7,698.42/10,623.85 = 4,161.66/x
  3. Step 3: Cross multiply
    7,698.42x = 10,623.85 × 4,161.66
  4. Step 4: Simplify right side
    7,698.42x = 44,212,851.59
  5. Step 5: Solve for x
    x = 44,212,851.59/7,698.42
  6. Step 6: Final answer
    x = 5,743.11

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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.