Home / 6,161.50-8,503.17-3,509.16

Finding the Fourth Proportional to 6,161.50, 8,503.17 and 3,509.16

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Solution

The fourth proportional to 6,161.50, 8,503.17 and 3,509.16 is: 4,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.50 : 8,503.17 = 3,509.16 : x
  2. Step 2: Convert to fraction form
    6,161.50/8,503.17 = 3,509.16/x
  3. Step 3: Cross multiply
    6,161.50x = 8,503.17 × 3,509.16
  4. Step 4: Simplify right side
    6,161.50x = 29,838,984.04
  5. Step 5: Solve for x
    x = 29,838,984.04/6,161.50
  6. Step 6: Final answer
    x = 4,842.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.