Home / 5,439.71-8,145.21-4,403.62

Finding the Fourth Proportional to 5,439.71, 8,145.21 and 4,403.62

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Solution

The fourth proportional to 5,439.71, 8,145.21 and 4,403.62 is: 6,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.71 : 8,145.21 = 4,403.62 : x
  2. Step 2: Convert to fraction form
    5,439.71/8,145.21 = 4,403.62/x
  3. Step 3: Cross multiply
    5,439.71x = 8,145.21 × 4,403.62
  4. Step 4: Simplify right side
    5,439.71x = 35,868,365.77
  5. Step 5: Solve for x
    x = 35,868,365.77/5,439.71
  6. Step 6: Final answer
    x = 6,593.80

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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.