Home / 8,377.72-11,548.02-6,693.82

Finding the Fourth Proportional to 8,377.72, 11,548.02 and 6,693.82

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Solution

The fourth proportional to 8,377.72, 11,548.02 and 6,693.82 is: 9,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.72 : 11,548.02 = 6,693.82 : x
  2. Step 2: Convert to fraction form
    8,377.72/11,548.02 = 6,693.82/x
  3. Step 3: Cross multiply
    8,377.72x = 11,548.02 × 6,693.82
  4. Step 4: Simplify right side
    8,377.72x = 77,300,367.24
  5. Step 5: Solve for x
    x = 77,300,367.24/8,377.72
  6. Step 6: Final answer
    x = 9,226.90

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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.