Home / 4,439.05-6,656.20-1,318.61

Finding the Fourth Proportional to 4,439.05, 6,656.20 and 1,318.61

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Solution

The fourth proportional to 4,439.05, 6,656.20 and 1,318.61 is: 1,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.05 : 6,656.20 = 1,318.61 : x
  2. Step 2: Convert to fraction form
    4,439.05/6,656.20 = 1,318.61/x
  3. Step 3: Cross multiply
    4,439.05x = 6,656.20 × 1,318.61
  4. Step 4: Simplify right side
    4,439.05x = 8,776,945.23
  5. Step 5: Solve for x
    x = 8,776,945.23/4,439.05
  6. Step 6: Final answer
    x = 1,977.21

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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.