Home / 7,356.24-11,034.36-6,889.68

Finding the Fourth Proportional to 7,356.24, 11,034.36 and 6,889.68

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Solution

The fourth proportional to 7,356.24, 11,034.36 and 6,889.68 is: 10,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.24 : 11,034.36 = 6,889.68 : x
  2. Step 2: Convert to fraction form
    7,356.24/11,034.36 = 6,889.68/x
  3. Step 3: Cross multiply
    7,356.24x = 11,034.36 × 6,889.68
  4. Step 4: Simplify right side
    7,356.24x = 76,023,209.40
  5. Step 5: Solve for x
    x = 76,023,209.40/7,356.24
  6. Step 6: Final answer
    x = 10,334.52

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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.