Home / 6,612.40-9,124.84-3,958.26

Finding the Fourth Proportional to 6,612.40, 9,124.84 and 3,958.26

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Solution

The fourth proportional to 6,612.40, 9,124.84 and 3,958.26 is: 5,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.40 : 9,124.84 = 3,958.26 : x
  2. Step 2: Convert to fraction form
    6,612.40/9,124.84 = 3,958.26/x
  3. Step 3: Cross multiply
    6,612.40x = 9,124.84 × 3,958.26
  4. Step 4: Simplify right side
    6,612.40x = 36,118,489.18
  5. Step 5: Solve for x
    x = 36,118,489.18/6,612.40
  6. Step 6: Final answer
    x = 5,462.24

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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.