Home / 8,440.04-12,652.38-3,821.16

Finding the Fourth Proportional to 8,440.04, 12,652.38 and 3,821.16

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Solution

The fourth proportional to 8,440.04, 12,652.38 and 3,821.16 is: 5,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.04 : 12,652.38 = 3,821.16 : x
  2. Step 2: Convert to fraction form
    8,440.04/12,652.38 = 3,821.16/x
  3. Step 3: Cross multiply
    8,440.04x = 12,652.38 × 3,821.16
  4. Step 4: Simplify right side
    8,440.04x = 48,346,768.36
  5. Step 5: Solve for x
    x = 48,346,768.36/8,440.04
  6. Step 6: Final answer
    x = 5,728.26

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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.