Home / 6,624.98-9,142.56-3,641.09

Finding the Fourth Proportional to 6,624.98, 9,142.56 and 3,641.09

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Solution

The fourth proportional to 6,624.98, 9,142.56 and 3,641.09 is: 5,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.98 : 9,142.56 = 3,641.09 : x
  2. Step 2: Convert to fraction form
    6,624.98/9,142.56 = 3,641.09/x
  3. Step 3: Cross multiply
    6,624.98x = 9,142.56 × 3,641.09
  4. Step 4: Simplify right side
    6,624.98x = 33,288,838.08
  5. Step 5: Solve for x
    x = 33,288,838.08/6,624.98
  6. Step 6: Final answer
    x = 5,024.75

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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.