Home / 5,628.96-8,441.01-1,931.55

Finding the Fourth Proportional to 5,628.96, 8,441.01 and 1,931.55

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Solution

The fourth proportional to 5,628.96, 8,441.01 and 1,931.55 is: 2,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.96 : 8,441.01 = 1,931.55 : x
  2. Step 2: Convert to fraction form
    5,628.96/8,441.01 = 1,931.55/x
  3. Step 3: Cross multiply
    5,628.96x = 8,441.01 × 1,931.55
  4. Step 4: Simplify right side
    5,628.96x = 16,304,232.87
  5. Step 5: Solve for x
    x = 16,304,232.87/5,628.96
  6. Step 6: Final answer
    x = 2,896.49

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Double scale
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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.