Home / 6,624.53-9,141.40-3,640.30

Finding the Fourth Proportional to 6,624.53, 9,141.40 and 3,640.30

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Solution

The fourth proportional to 6,624.53, 9,141.40 and 3,640.30 is: 5,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.53 : 9,141.40 = 3,640.30 : x
  2. Step 2: Convert to fraction form
    6,624.53/9,141.40 = 3,640.30/x
  3. Step 3: Cross multiply
    6,624.53x = 9,141.40 × 3,640.30
  4. Step 4: Simplify right side
    6,624.53x = 33,277,420.12
  5. Step 5: Solve for x
    x = 33,277,420.12/6,624.53
  6. Step 6: Final answer
    x = 5,023.36

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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.