Home / 9,331.29-12,879.82-6,146.91

Finding the Fourth Proportional to 9,331.29, 12,879.82 and 6,146.91

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Solution

The fourth proportional to 9,331.29, 12,879.82 and 6,146.91 is: 8,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.29 : 12,879.82 = 6,146.91 : x
  2. Step 2: Convert to fraction form
    9,331.29/12,879.82 = 6,146.91/x
  3. Step 3: Cross multiply
    9,331.29x = 12,879.82 × 6,146.91
  4. Step 4: Simplify right side
    9,331.29x = 79,171,094.36
  5. Step 5: Solve for x
    x = 79,171,094.36/9,331.29
  6. Step 6: Final answer
    x = 8,484.47

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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.