Home / 8,106.66-12,158.96-2,560.57

Finding the Fourth Proportional to 8,106.66, 12,158.96 and 2,560.57

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Solution

The fourth proportional to 8,106.66, 12,158.96 and 2,560.57 is: 3,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.66 : 12,158.96 = 2,560.57 : x
  2. Step 2: Convert to fraction form
    8,106.66/12,158.96 = 2,560.57/x
  3. Step 3: Cross multiply
    8,106.66x = 12,158.96 × 2,560.57
  4. Step 4: Simplify right side
    8,106.66x = 31,133,825.01
  5. Step 5: Solve for x
    x = 31,133,825.01/8,106.66
  6. Step 6: Final answer
    x = 3,840.52

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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.