Home / 5,400.05-8,099.38-2,281.29

Finding the Fourth Proportional to 5,400.05, 8,099.38 and 2,281.29

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Solution

The fourth proportional to 5,400.05, 8,099.38 and 2,281.29 is: 3,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.05 : 8,099.38 = 2,281.29 : x
  2. Step 2: Convert to fraction form
    5,400.05/8,099.38 = 2,281.29/x
  3. Step 3: Cross multiply
    5,400.05x = 8,099.38 × 2,281.29
  4. Step 4: Simplify right side
    5,400.05x = 18,477,034.60
  5. Step 5: Solve for x
    x = 18,477,034.60/5,400.05
  6. Step 6: Final answer
    x = 3,421.64

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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.