Home / 5,687.46-8,529.57-3,604.32

Finding the Fourth Proportional to 5,687.46, 8,529.57 and 3,604.32

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Solution

The fourth proportional to 5,687.46, 8,529.57 and 3,604.32 is: 5,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.46 : 8,529.57 = 3,604.32 : x
  2. Step 2: Convert to fraction form
    5,687.46/8,529.57 = 3,604.32/x
  3. Step 3: Cross multiply
    5,687.46x = 8,529.57 × 3,604.32
  4. Step 4: Simplify right side
    5,687.46x = 30,743,299.74
  5. Step 5: Solve for x
    x = 30,743,299.74/5,687.46
  6. Step 6: Final answer
    x = 5,405.45

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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.