Home / 8,070.99-12,110.63-3,330.66

Finding the Fourth Proportional to 8,070.99, 12,110.63 and 3,330.66

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Solution

The fourth proportional to 8,070.99, 12,110.63 and 3,330.66 is: 4,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.99 : 12,110.63 = 3,330.66 : x
  2. Step 2: Convert to fraction form
    8,070.99/12,110.63 = 3,330.66/x
  3. Step 3: Cross multiply
    8,070.99x = 12,110.63 × 3,330.66
  4. Step 4: Simplify right side
    8,070.99x = 40,336,374.26
  5. Step 5: Solve for x
    x = 40,336,374.26/8,070.99
  6. Step 6: Final answer
    x = 4,997.70

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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.