Home / 7,518.18-10,370.25-5,161.62

Finding the Fourth Proportional to 7,518.18, 10,370.25 and 5,161.62

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Solution

The fourth proportional to 7,518.18, 10,370.25 and 5,161.62 is: 7,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.18 : 10,370.25 = 5,161.62 : x
  2. Step 2: Convert to fraction form
    7,518.18/10,370.25 = 5,161.62/x
  3. Step 3: Cross multiply
    7,518.18x = 10,370.25 × 5,161.62
  4. Step 4: Simplify right side
    7,518.18x = 53,527,289.81
  5. Step 5: Solve for x
    x = 53,527,289.81/7,518.18
  6. Step 6: Final answer
    x = 7,119.71

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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.