Home / 7,325.20-10,986.05-3,162.93

Finding the Fourth Proportional to 7,325.20, 10,986.05 and 3,162.93

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Solution

The fourth proportional to 7,325.20, 10,986.05 and 3,162.93 is: 4,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.20 : 10,986.05 = 3,162.93 : x
  2. Step 2: Convert to fraction form
    7,325.20/10,986.05 = 3,162.93/x
  3. Step 3: Cross multiply
    7,325.20x = 10,986.05 × 3,162.93
  4. Step 4: Simplify right side
    7,325.20x = 34,748,087.57
  5. Step 5: Solve for x
    x = 34,748,087.57/7,325.20
  6. Step 6: Final answer
    x = 4,743.64

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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.