Home / 5,381.04-7,426.20-3,286.32

Finding the Fourth Proportional to 5,381.04, 7,426.20 and 3,286.32

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Solution

The fourth proportional to 5,381.04, 7,426.20 and 3,286.32 is: 4,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.04 : 7,426.20 = 3,286.32 : x
  2. Step 2: Convert to fraction form
    5,381.04/7,426.20 = 3,286.32/x
  3. Step 3: Cross multiply
    5,381.04x = 7,426.20 × 3,286.32
  4. Step 4: Simplify right side
    5,381.04x = 24,404,869.58
  5. Step 5: Solve for x
    x = 24,404,869.58/5,381.04
  6. Step 6: Final answer
    x = 4,535.34

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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.