Home / 4,438.40-6,657.80-2,097.90

Finding the Fourth Proportional to 4,438.40, 6,657.80 and 2,097.90

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Solution

The fourth proportional to 4,438.40, 6,657.80 and 2,097.90 is: 3,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.40 : 6,657.80 = 2,097.90 : x
  2. Step 2: Convert to fraction form
    4,438.40/6,657.80 = 2,097.90/x
  3. Step 3: Cross multiply
    4,438.40x = 6,657.80 × 2,097.90
  4. Step 4: Simplify right side
    4,438.40x = 13,967,388.13
  5. Step 5: Solve for x
    x = 13,967,388.13/4,438.40
  6. Step 6: Final answer
    x = 3,146.95

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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.