Home / 8,455.11-12,671.88-4,012.76

Finding the Fourth Proportional to 8,455.11, 12,671.88 and 4,012.76

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Solution

The fourth proportional to 8,455.11, 12,671.88 and 4,012.76 is: 6,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.11 : 12,671.88 = 4,012.76 : x
  2. Step 2: Convert to fraction form
    8,455.11/12,671.88 = 4,012.76/x
  3. Step 3: Cross multiply
    8,455.11x = 12,671.88 × 4,012.76
  4. Step 4: Simplify right side
    8,455.11x = 50,849,229.82
  5. Step 5: Solve for x
    x = 50,849,229.82/8,455.11
  6. Step 6: Final answer
    x = 6,014.03

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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.