Home / 7,336.56-11,007.36-2,143.20

Finding the Fourth Proportional to 7,336.56, 11,007.36 and 2,143.20

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Solution

The fourth proportional to 7,336.56, 11,007.36 and 2,143.20 is: 3,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.56 : 11,007.36 = 2,143.20 : x
  2. Step 2: Convert to fraction form
    7,336.56/11,007.36 = 2,143.20/x
  3. Step 3: Cross multiply
    7,336.56x = 11,007.36 × 2,143.20
  4. Step 4: Simplify right side
    7,336.56x = 23,590,973.95
  5. Step 5: Solve for x
    x = 23,590,973.95/7,336.56
  6. Step 6: Final answer
    x = 3,215.54

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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.