Home / 6,172.59-8,516.86-3,655.49

Finding the Fourth Proportional to 6,172.59, 8,516.86 and 3,655.49

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Solution

The fourth proportional to 6,172.59, 8,516.86 and 3,655.49 is: 5,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.59 : 8,516.86 = 3,655.49 : x
  2. Step 2: Convert to fraction form
    6,172.59/8,516.86 = 3,655.49/x
  3. Step 3: Cross multiply
    6,172.59x = 8,516.86 × 3,655.49
  4. Step 4: Simplify right side
    6,172.59x = 31,133,296.56
  5. Step 5: Solve for x
    x = 31,133,296.56/6,172.59
  6. Step 6: Final answer
    x = 5,043.80

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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.