Home / 7,841.24-11,762.90-4,143.62

Finding the Fourth Proportional to 7,841.24, 11,762.90 and 4,143.62

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Solution

The fourth proportional to 7,841.24, 11,762.90 and 4,143.62 is: 6,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.24 : 11,762.90 = 4,143.62 : x
  2. Step 2: Convert to fraction form
    7,841.24/11,762.90 = 4,143.62/x
  3. Step 3: Cross multiply
    7,841.24x = 11,762.90 × 4,143.62
  4. Step 4: Simplify right side
    7,841.24x = 48,740,908.17
  5. Step 5: Solve for x
    x = 48,740,908.17/7,841.24
  6. Step 6: Final answer
    x = 6,215.97

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1.5x scale

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.