Home / 6,624.42-9,141.74-3,640.19

Finding the Fourth Proportional to 6,624.42, 9,141.74 and 3,640.19

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Solution

The fourth proportional to 6,624.42, 9,141.74 and 3,640.19 is: 5,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.42 : 9,141.74 = 3,640.19 : x
  2. Step 2: Convert to fraction form
    6,624.42/9,141.74 = 3,640.19/x
  3. Step 3: Cross multiply
    6,624.42x = 9,141.74 × 3,640.19
  4. Step 4: Simplify right side
    6,624.42x = 33,277,606.62
  5. Step 5: Solve for x
    x = 33,277,606.62/6,624.42
  6. Step 6: Final answer
    x = 5,023.47

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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.