Home / 5,577.48-7,698.57-3,221.19

Finding the Fourth Proportional to 5,577.48, 7,698.57 and 3,221.19

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Solution

The fourth proportional to 5,577.48, 7,698.57 and 3,221.19 is: 4,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.48 : 7,698.57 = 3,221.19 : x
  2. Step 2: Convert to fraction form
    5,577.48/7,698.57 = 3,221.19/x
  3. Step 3: Cross multiply
    5,577.48x = 7,698.57 × 3,221.19
  4. Step 4: Simplify right side
    5,577.48x = 24,798,502.10
  5. Step 5: Solve for x
    x = 24,798,502.10/5,577.48
  6. Step 6: Final answer
    x = 4,446.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.