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Finding the Fourth Proportional to 7,703.91, 11,537.64 and 4,773.33

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Solution

The fourth proportional to 7,703.91, 11,537.64 and 4,773.33 is: 7,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.91 : 11,537.64 = 4,773.33 : x
  2. Step 2: Convert to fraction form
    7,703.91/11,537.64 = 4,773.33/x
  3. Step 3: Cross multiply
    7,703.91x = 11,537.64 × 4,773.33
  4. Step 4: Simplify right side
    7,703.91x = 55,072,963.14
  5. Step 5: Solve for x
    x = 55,072,963.14/7,703.91
  6. Step 6: Final answer
    x = 7,148.70

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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.