Home / 5,349.20-8,027.46-1,886.45

Finding the Fourth Proportional to 5,349.20, 8,027.46 and 1,886.45

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Solution

The fourth proportional to 5,349.20, 8,027.46 and 1,886.45 is: 2,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.20 : 8,027.46 = 1,886.45 : x
  2. Step 2: Convert to fraction form
    5,349.20/8,027.46 = 1,886.45/x
  3. Step 3: Cross multiply
    5,349.20x = 8,027.46 × 1,886.45
  4. Step 4: Simplify right side
    5,349.20x = 15,143,361.78
  5. Step 5: Solve for x
    x = 15,143,361.78/5,349.20
  6. Step 6: Final answer
    x = 2,830.96

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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.