Home / 5,535.34-7,638.46-3,145.26

Finding the Fourth Proportional to 5,535.34, 7,638.46 and 3,145.26

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Solution

The fourth proportional to 5,535.34, 7,638.46 and 3,145.26 is: 4,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.34 : 7,638.46 = 3,145.26 : x
  2. Step 2: Convert to fraction form
    5,535.34/7,638.46 = 3,145.26/x
  3. Step 3: Cross multiply
    5,535.34x = 7,638.46 × 3,145.26
  4. Step 4: Simplify right side
    5,535.34x = 24,024,942.70
  5. Step 5: Solve for x
    x = 24,024,942.70/5,535.34
  6. Step 6: Final answer
    x = 4,340.28

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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.