Home / 8,070.77-12,105.95-3,325.88

Finding the Fourth Proportional to 8,070.77, 12,105.95 and 3,325.88

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Solution

The fourth proportional to 8,070.77, 12,105.95 and 3,325.88 is: 4,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.77 : 12,105.95 = 3,325.88 : x
  2. Step 2: Convert to fraction form
    8,070.77/12,105.95 = 3,325.88/x
  3. Step 3: Cross multiply
    8,070.77x = 12,105.95 × 3,325.88
  4. Step 4: Simplify right side
    8,070.77x = 40,262,859.83
  5. Step 5: Solve for x
    x = 40,262,859.83/8,070.77
  6. Step 6: Final answer
    x = 4,988.73

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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.