Home / 7,419.15-11,124.90-2,224.35

Finding the Fourth Proportional to 7,419.15, 11,124.90 and 2,224.35

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Solution

The fourth proportional to 7,419.15, 11,124.90 and 2,224.35 is: 3,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.15 : 11,124.90 = 2,224.35 : x
  2. Step 2: Convert to fraction form
    7,419.15/11,124.90 = 2,224.35/x
  3. Step 3: Cross multiply
    7,419.15x = 11,124.90 × 2,224.35
  4. Step 4: Simplify right side
    7,419.15x = 24,745,671.32
  5. Step 5: Solve for x
    x = 24,745,671.32/7,419.15
  6. Step 6: Final answer
    x = 3,335.38

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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.