Home / 6,451.50-9,661.66-3,669.74

Finding the Fourth Proportional to 6,451.50, 9,661.66 and 3,669.74

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Solution

The fourth proportional to 6,451.50, 9,661.66 and 3,669.74 is: 5,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.50 : 9,661.66 = 3,669.74 : x
  2. Step 2: Convert to fraction form
    6,451.50/9,661.66 = 3,669.74/x
  3. Step 3: Cross multiply
    6,451.50x = 9,661.66 × 3,669.74
  4. Step 4: Simplify right side
    6,451.50x = 35,455,751.44
  5. Step 5: Solve for x
    x = 35,455,751.44/6,451.50
  6. Step 6: Final answer
    x = 5,495.74

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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.