Home / 9,333.66-12,879.36-5,356.08

Finding the Fourth Proportional to 9,333.66, 12,879.36 and 5,356.08

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Solution

The fourth proportional to 9,333.66, 12,879.36 and 5,356.08 is: 7,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.66 : 12,879.36 = 5,356.08 : x
  2. Step 2: Convert to fraction form
    9,333.66/12,879.36 = 5,356.08/x
  3. Step 3: Cross multiply
    9,333.66x = 12,879.36 × 5,356.08
  4. Step 4: Simplify right side
    9,333.66x = 68,982,882.51
  5. Step 5: Solve for x
    x = 68,982,882.51/9,333.66
  6. Step 6: Final answer
    x = 7,390.76

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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.