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Finding the Fourth Proportional to 6,537.61, 9,026.99 and 4,020.89

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Solution

The fourth proportional to 6,537.61, 9,026.99 and 4,020.89 is: 5,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.61 : 9,026.99 = 4,020.89 : x
  2. Step 2: Convert to fraction form
    6,537.61/9,026.99 = 4,020.89/x
  3. Step 3: Cross multiply
    6,537.61x = 9,026.99 × 4,020.89
  4. Step 4: Simplify right side
    6,537.61x = 36,296,557.05
  5. Step 5: Solve for x
    x = 36,296,557.05/6,537.61
  6. Step 6: Final answer
    x = 5,551.96

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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.