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Finding the Fourth Proportional to 7,703.08, 11,555.90 and 3,599.08

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Solution

The fourth proportional to 7,703.08, 11,555.90 and 3,599.08 is: 5,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.08 : 11,555.90 = 3,599.08 : x
  2. Step 2: Convert to fraction form
    7,703.08/11,555.90 = 3,599.08/x
  3. Step 3: Cross multiply
    7,703.08x = 11,555.90 × 3,599.08
  4. Step 4: Simplify right side
    7,703.08x = 41,590,608.57
  5. Step 5: Solve for x
    x = 41,590,608.57/7,703.08
  6. Step 6: Final answer
    x = 5,399.22

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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.