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Finding the Fourth Proportional to 6,633.93, 9,945.90 and 5,720.25

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Solution

The fourth proportional to 6,633.93, 9,945.90 and 5,720.25 is: 8,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.93 : 9,945.90 = 5,720.25 : x
  2. Step 2: Convert to fraction form
    6,633.93/9,945.90 = 5,720.25/x
  3. Step 3: Cross multiply
    6,633.93x = 9,945.90 × 5,720.25
  4. Step 4: Simplify right side
    6,633.93x = 56,893,034.48
  5. Step 5: Solve for x
    x = 56,893,034.48/6,633.93
  6. Step 6: Final answer
    x = 8,576.07

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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.