Home / 7,161.42-10,729.98-3,465.39

Finding the Fourth Proportional to 7,161.42, 10,729.98 and 3,465.39

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Solution

The fourth proportional to 7,161.42, 10,729.98 and 3,465.39 is: 5,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.42 : 10,729.98 = 3,465.39 : x
  2. Step 2: Convert to fraction form
    7,161.42/10,729.98 = 3,465.39/x
  3. Step 3: Cross multiply
    7,161.42x = 10,729.98 × 3,465.39
  4. Step 4: Simplify right side
    7,161.42x = 37,183,565.39
  5. Step 5: Solve for x
    x = 37,183,565.39/7,161.42
  6. Step 6: Final answer
    x = 5,192.21

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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.