Home / 6,439.57-9,657.01-2,926.60

Finding the Fourth Proportional to 6,439.57, 9,657.01 and 2,926.60

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Solution

The fourth proportional to 6,439.57, 9,657.01 and 2,926.60 is: 4,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.57 : 9,657.01 = 2,926.60 : x
  2. Step 2: Convert to fraction form
    6,439.57/9,657.01 = 2,926.60/x
  3. Step 3: Cross multiply
    6,439.57x = 9,657.01 × 2,926.60
  4. Step 4: Simplify right side
    6,439.57x = 28,262,205.47
  5. Step 5: Solve for x
    x = 28,262,205.47/6,439.57
  6. Step 6: Final answer
    x = 4,388.83

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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.