Home / 8,027.66-12,045.46-3,871.20

Finding the Fourth Proportional to 8,027.66, 12,045.46 and 3,871.20

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Solution

The fourth proportional to 8,027.66, 12,045.46 and 3,871.20 is: 5,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.66 : 12,045.46 = 3,871.20 : x
  2. Step 2: Convert to fraction form
    8,027.66/12,045.46 = 3,871.20/x
  3. Step 3: Cross multiply
    8,027.66x = 12,045.46 × 3,871.20
  4. Step 4: Simplify right side
    8,027.66x = 46,630,384.75
  5. Step 5: Solve for x
    x = 46,630,384.75/8,027.66
  6. Step 6: Final answer
    x = 5,808.71

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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.