Home / 7,161.57-10,740.96-3,602.74

Finding the Fourth Proportional to 7,161.57, 10,740.96 and 3,602.74

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Solution

The fourth proportional to 7,161.57, 10,740.96 and 3,602.74 is: 5,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.57 : 10,740.96 = 3,602.74 : x
  2. Step 2: Convert to fraction form
    7,161.57/10,740.96 = 3,602.74/x
  3. Step 3: Cross multiply
    7,161.57x = 10,740.96 × 3,602.74
  4. Step 4: Simplify right side
    7,161.57x = 38,696,859.38
  5. Step 5: Solve for x
    x = 38,696,859.38/7,161.57
  6. Step 6: Final answer
    x = 5,403.40

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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.