Home / 5,396.15-8,080.46-4,302.11

Finding the Fourth Proportional to 5,396.15, 8,080.46 and 4,302.11

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Solution

The fourth proportional to 5,396.15, 8,080.46 and 4,302.11 is: 6,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.15 : 8,080.46 = 4,302.11 : x
  2. Step 2: Convert to fraction form
    5,396.15/8,080.46 = 4,302.11/x
  3. Step 3: Cross multiply
    5,396.15x = 8,080.46 × 4,302.11
  4. Step 4: Simplify right side
    5,396.15x = 34,763,042.59
  5. Step 5: Solve for x
    x = 34,763,042.59/5,396.15
  6. Step 6: Final answer
    x = 6,442.19

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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.