Home / 4,438.40-6,657.65-1,318.33

Finding the Fourth Proportional to 4,438.40, 6,657.65 and 1,318.33

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Solution

The fourth proportional to 4,438.40, 6,657.65 and 1,318.33 is: 1,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.40 : 6,657.65 = 1,318.33 : x
  2. Step 2: Convert to fraction form
    4,438.40/6,657.65 = 1,318.33/x
  3. Step 3: Cross multiply
    4,438.40x = 6,657.65 × 1,318.33
  4. Step 4: Simplify right side
    4,438.40x = 8,776,993.81
  5. Step 5: Solve for x
    x = 8,776,993.81/4,438.40
  6. Step 6: Final answer
    x = 1,977.51

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Similar ratio
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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.