Home / 6,172.87-8,516.44-3,518.36

Finding the Fourth Proportional to 6,172.87, 8,516.44 and 3,518.36

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Solution

The fourth proportional to 6,172.87, 8,516.44 and 3,518.36 is: 4,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.87 : 8,516.44 = 3,518.36 : x
  2. Step 2: Convert to fraction form
    6,172.87/8,516.44 = 3,518.36/x
  3. Step 3: Cross multiply
    6,172.87x = 8,516.44 × 3,518.36
  4. Step 4: Simplify right side
    6,172.87x = 29,963,901.84
  5. Step 5: Solve for x
    x = 29,963,901.84/6,172.87
  6. Step 6: Final answer
    x = 4,854.13

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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.