Home / 8,760.05-13,140.91-3,212.05

Finding the Fourth Proportional to 8,760.05, 13,140.91 and 3,212.05

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Solution

The fourth proportional to 8,760.05, 13,140.91 and 3,212.05 is: 4,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.05 : 13,140.91 = 3,212.05 : x
  2. Step 2: Convert to fraction form
    8,760.05/13,140.91 = 3,212.05/x
  3. Step 3: Cross multiply
    8,760.05x = 13,140.91 × 3,212.05
  4. Step 4: Simplify right side
    8,760.05x = 42,209,259.97
  5. Step 5: Solve for x
    x = 42,209,259.97/8,760.05
  6. Step 6: Final answer
    x = 4,818.38

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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.