Home / 5,577.60-8,363.70-3,109.80

Finding the Fourth Proportional to 5,577.60, 8,363.70 and 3,109.80

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Solution

The fourth proportional to 5,577.60, 8,363.70 and 3,109.80 is: 4,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.60 : 8,363.70 = 3,109.80 : x
  2. Step 2: Convert to fraction form
    5,577.60/8,363.70 = 3,109.80/x
  3. Step 3: Cross multiply
    5,577.60x = 8,363.70 × 3,109.80
  4. Step 4: Simplify right side
    5,577.60x = 26,009,434.26
  5. Step 5: Solve for x
    x = 26,009,434.26/5,577.60
  6. Step 6: Final answer
    x = 4,663.19

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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.