Home / 6,865.02-10,296.68-2,421.90

Finding the Fourth Proportional to 6,865.02, 10,296.68 and 2,421.90

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Solution

The fourth proportional to 6,865.02, 10,296.68 and 2,421.90 is: 3,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.02 : 10,296.68 = 2,421.90 : x
  2. Step 2: Convert to fraction form
    6,865.02/10,296.68 = 2,421.90/x
  3. Step 3: Cross multiply
    6,865.02x = 10,296.68 × 2,421.90
  4. Step 4: Simplify right side
    6,865.02x = 24,937,517.18
  5. Step 5: Solve for x
    x = 24,937,517.18/6,865.02
  6. Step 6: Final answer
    x = 3,632.55

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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.