Home / 5,399.10-7,449.30-4,281.30

Finding the Fourth Proportional to 5,399.10, 7,449.30 and 4,281.30

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Solution

The fourth proportional to 5,399.10, 7,449.30 and 4,281.30 is: 5,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.10 : 7,449.30 = 4,281.30 : x
  2. Step 2: Convert to fraction form
    5,399.10/7,449.30 = 4,281.30/x
  3. Step 3: Cross multiply
    5,399.10x = 7,449.30 × 4,281.30
  4. Step 4: Simplify right side
    5,399.10x = 31,892,688.09
  5. Step 5: Solve for x
    x = 31,892,688.09/5,399.10
  6. Step 6: Final answer
    x = 5,907.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.