Home / 8,311.01-12,465.09-3,045.74

Finding the Fourth Proportional to 8,311.01, 12,465.09 and 3,045.74

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Solution

The fourth proportional to 8,311.01, 12,465.09 and 3,045.74 is: 4,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.01 : 12,465.09 = 3,045.74 : x
  2. Step 2: Convert to fraction form
    8,311.01/12,465.09 = 3,045.74/x
  3. Step 3: Cross multiply
    8,311.01x = 12,465.09 × 3,045.74
  4. Step 4: Simplify right side
    8,311.01x = 37,965,360.89
  5. Step 5: Solve for x
    x = 37,965,360.89/8,311.01
  6. Step 6: Final answer
    x = 4,568.08

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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.