Home / 7,919.22-11,875.35-3,760.44

Finding the Fourth Proportional to 7,919.22, 11,875.35 and 3,760.44

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Solution

The fourth proportional to 7,919.22, 11,875.35 and 3,760.44 is: 5,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.22 : 11,875.35 = 3,760.44 : x
  2. Step 2: Convert to fraction form
    7,919.22/11,875.35 = 3,760.44/x
  3. Step 3: Cross multiply
    7,919.22x = 11,875.35 × 3,760.44
  4. Step 4: Simplify right side
    7,919.22x = 44,656,541.15
  5. Step 5: Solve for x
    x = 44,656,541.15/7,919.22
  6. Step 6: Final answer
    x = 5,639.01

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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.