Home / 6,642.23-9,166.30-3,657.92

Finding the Fourth Proportional to 6,642.23, 9,166.30 and 3,657.92

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Solution

The fourth proportional to 6,642.23, 9,166.30 and 3,657.92 is: 5,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.23 : 9,166.30 = 3,657.92 : x
  2. Step 2: Convert to fraction form
    6,642.23/9,166.30 = 3,657.92/x
  3. Step 3: Cross multiply
    6,642.23x = 9,166.30 × 3,657.92
  4. Step 4: Simplify right side
    6,642.23x = 33,529,537.12
  5. Step 5: Solve for x
    x = 33,529,537.12/6,642.23
  6. Step 6: Final answer
    x = 5,047.94

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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.