Home / 8,178.04-11,285.66-4,451.96

Finding the Fourth Proportional to 8,178.04, 11,285.66 and 4,451.96

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Solution

The fourth proportional to 8,178.04, 11,285.66 and 4,451.96 is: 6,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.04 : 11,285.66 = 4,451.96 : x
  2. Step 2: Convert to fraction form
    8,178.04/11,285.66 = 4,451.96/x
  3. Step 3: Cross multiply
    8,178.04x = 11,285.66 × 4,451.96
  4. Step 4: Simplify right side
    8,178.04x = 50,243,306.89
  5. Step 5: Solve for x
    x = 50,243,306.89/8,178.04
  6. Step 6: Final answer
    x = 6,143.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.