Home / 6,507.06-9,760.80-2,124.39

Finding the Fourth Proportional to 6,507.06, 9,760.80 and 2,124.39

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Solution

The fourth proportional to 6,507.06, 9,760.80 and 2,124.39 is: 3,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.06 : 9,760.80 = 2,124.39 : x
  2. Step 2: Convert to fraction form
    6,507.06/9,760.80 = 2,124.39/x
  3. Step 3: Cross multiply
    6,507.06x = 9,760.80 × 2,124.39
  4. Step 4: Simplify right side
    6,507.06x = 20,735,745.91
  5. Step 5: Solve for x
    x = 20,735,745.91/6,507.06
  6. Step 6: Final answer
    x = 3,186.65

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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.