Home / 6,523.68-9,784.60-2,140.57

Finding the Fourth Proportional to 6,523.68, 9,784.60 and 2,140.57

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Solution

The fourth proportional to 6,523.68, 9,784.60 and 2,140.57 is: 3,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.68 : 9,784.60 = 2,140.57 : x
  2. Step 2: Convert to fraction form
    6,523.68/9,784.60 = 2,140.57/x
  3. Step 3: Cross multiply
    6,523.68x = 9,784.60 × 2,140.57
  4. Step 4: Simplify right side
    6,523.68x = 20,944,561.60
  5. Step 5: Solve for x
    x = 20,944,561.60/6,523.68
  6. Step 6: Final answer
    x = 3,210.55

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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.