Home / 8,038.20-12,056.22-2,847.72

Finding the Fourth Proportional to 8,038.20, 12,056.22 and 2,847.72

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Solution

The fourth proportional to 8,038.20, 12,056.22 and 2,847.72 is: 4,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.20 : 12,056.22 = 2,847.72 : x
  2. Step 2: Convert to fraction form
    8,038.20/12,056.22 = 2,847.72/x
  3. Step 3: Cross multiply
    8,038.20x = 12,056.22 × 2,847.72
  4. Step 4: Simplify right side
    8,038.20x = 34,332,738.82
  5. Step 5: Solve for x
    x = 34,332,738.82/8,038.20
  6. Step 6: Final answer
    x = 4,271.20

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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.