Home / 8,463.24-12,681.84-3,528.72

Finding the Fourth Proportional to 8,463.24, 12,681.84 and 3,528.72

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Solution

The fourth proportional to 8,463.24, 12,681.84 and 3,528.72 is: 5,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.24 : 12,681.84 = 3,528.72 : x
  2. Step 2: Convert to fraction form
    8,463.24/12,681.84 = 3,528.72/x
  3. Step 3: Cross multiply
    8,463.24x = 12,681.84 × 3,528.72
  4. Step 4: Simplify right side
    8,463.24x = 44,750,662.44
  5. Step 5: Solve for x
    x = 44,750,662.44/8,463.24
  6. Step 6: Final answer
    x = 5,287.65

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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.