Home / 6,864.20-10,296.74-2,421.31

Finding the Fourth Proportional to 6,864.20, 10,296.74 and 2,421.31

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Solution

The fourth proportional to 6,864.20, 10,296.74 and 2,421.31 is: 3,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.20 : 10,296.74 = 2,421.31 : x
  2. Step 2: Convert to fraction form
    6,864.20/10,296.74 = 2,421.31/x
  3. Step 3: Cross multiply
    6,864.20x = 10,296.74 × 2,421.31
  4. Step 4: Simplify right side
    6,864.20x = 24,931,599.53
  5. Step 5: Solve for x
    x = 24,931,599.53/6,864.20
  6. Step 6: Final answer
    x = 3,632.12

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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.