Home / 5,558.29-7,665.48-3,319.36

Finding the Fourth Proportional to 5,558.29, 7,665.48 and 3,319.36

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Solution

The fourth proportional to 5,558.29, 7,665.48 and 3,319.36 is: 4,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.29 : 7,665.48 = 3,319.36 : x
  2. Step 2: Convert to fraction form
    5,558.29/7,665.48 = 3,319.36/x
  3. Step 3: Cross multiply
    5,558.29x = 7,665.48 × 3,319.36
  4. Step 4: Simplify right side
    5,558.29x = 25,444,487.69
  5. Step 5: Solve for x
    x = 25,444,487.69/5,558.29
  6. Step 6: Final answer
    x = 4,577.75

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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.