Home / 8,330.19-11,490.36-6,336.38

Finding the Fourth Proportional to 8,330.19, 11,490.36 and 6,336.38

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Solution

The fourth proportional to 8,330.19, 11,490.36 and 6,336.38 is: 8,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.19 : 11,490.36 = 6,336.38 : x
  2. Step 2: Convert to fraction form
    8,330.19/11,490.36 = 6,336.38/x
  3. Step 3: Cross multiply
    8,330.19x = 11,490.36 × 6,336.38
  4. Step 4: Simplify right side
    8,330.19x = 72,807,229.85
  5. Step 5: Solve for x
    x = 72,807,229.85/8,330.19
  6. Step 6: Final answer
    x = 8,740.16

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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.