Home / 7,488.72-11,235.48-3,593.16

Finding the Fourth Proportional to 7,488.72, 11,235.48 and 3,593.16

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Solution

The fourth proportional to 7,488.72, 11,235.48 and 3,593.16 is: 5,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.72 : 11,235.48 = 3,593.16 : x
  2. Step 2: Convert to fraction form
    7,488.72/11,235.48 = 3,593.16/x
  3. Step 3: Cross multiply
    7,488.72x = 11,235.48 × 3,593.16
  4. Step 4: Simplify right side
    7,488.72x = 40,370,877.32
  5. Step 5: Solve for x
    x = 40,370,877.32/7,488.72
  6. Step 6: Final answer
    x = 5,390.89

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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.