Home / 6,962.25-9,607.92-4,129.79

Finding the Fourth Proportional to 6,962.25, 9,607.92 and 4,129.79

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Solution

The fourth proportional to 6,962.25, 9,607.92 and 4,129.79 is: 5,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.25 : 9,607.92 = 4,129.79 : x
  2. Step 2: Convert to fraction form
    6,962.25/9,607.92 = 4,129.79/x
  3. Step 3: Cross multiply
    6,962.25x = 9,607.92 × 4,129.79
  4. Step 4: Simplify right side
    6,962.25x = 39,678,628.41
  5. Step 5: Solve for x
    x = 39,678,628.41/6,962.25
  6. Step 6: Final answer
    x = 5,699.11

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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.