Home / 6,415.80-9,606.33-3,331.32

Finding the Fourth Proportional to 6,415.80, 9,606.33 and 3,331.32

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Solution

The fourth proportional to 6,415.80, 9,606.33 and 3,331.32 is: 4,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.80 : 9,606.33 = 3,331.32 : x
  2. Step 2: Convert to fraction form
    6,415.80/9,606.33 = 3,331.32/x
  3. Step 3: Cross multiply
    6,415.80x = 9,606.33 × 3,331.32
  4. Step 4: Simplify right side
    6,415.80x = 32,001,759.26
  5. Step 5: Solve for x
    x = 32,001,759.26/6,415.80
  6. Step 6: Final answer
    x = 4,987.96

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1.5x scale

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.