Home / 4,439.15-6,656.40-1,318.73

Finding the Fourth Proportional to 4,439.15, 6,656.40 and 1,318.73

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Solution

The fourth proportional to 4,439.15, 6,656.40 and 1,318.73 is: 1,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.15 : 6,656.40 = 1,318.73 : x
  2. Step 2: Convert to fraction form
    4,439.15/6,656.40 = 1,318.73/x
  3. Step 3: Cross multiply
    4,439.15x = 6,656.40 × 1,318.73
  4. Step 4: Simplify right side
    4,439.15x = 8,777,994.37
  5. Step 5: Solve for x
    x = 8,777,994.37/4,439.15
  6. Step 6: Final answer
    x = 1,977.40

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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.