Home / 6,593.40-9,875.70-3,991.80

Finding the Fourth Proportional to 6,593.40, 9,875.70 and 3,991.80

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Solution

The fourth proportional to 6,593.40, 9,875.70 and 3,991.80 is: 5,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,593.40 : 9,875.70 = 3,991.80 : x
  2. Step 2: Convert to fraction form
    6,593.40/9,875.70 = 3,991.80/x
  3. Step 3: Cross multiply
    6,593.40x = 9,875.70 × 3,991.80
  4. Step 4: Simplify right side
    6,593.40x = 39,421,819.26
  5. Step 5: Solve for x
    x = 39,421,819.26/6,593.40
  6. Step 6: Final answer
    x = 5,978.98

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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.