Home / 7,336.85-11,006.90-2,143.13

Finding the Fourth Proportional to 7,336.85, 11,006.90 and 2,143.13

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Solution

The fourth proportional to 7,336.85, 11,006.90 and 2,143.13 is: 3,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.85 : 11,006.90 = 2,143.13 : x
  2. Step 2: Convert to fraction form
    7,336.85/11,006.90 = 2,143.13/x
  3. Step 3: Cross multiply
    7,336.85x = 11,006.90 × 2,143.13
  4. Step 4: Simplify right side
    7,336.85x = 23,589,151.85
  5. Step 5: Solve for x
    x = 23,589,151.85/7,336.85
  6. Step 6: Final answer
    x = 3,215.16

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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.