Home / 6,630.50-9,150.10-3,836.18

Finding the Fourth Proportional to 6,630.50, 9,150.10 and 3,836.18

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Solution

The fourth proportional to 6,630.50, 9,150.10 and 3,836.18 is: 5,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.50 : 9,150.10 = 3,836.18 : x
  2. Step 2: Convert to fraction form
    6,630.50/9,150.10 = 3,836.18/x
  3. Step 3: Cross multiply
    6,630.50x = 9,150.10 × 3,836.18
  4. Step 4: Simplify right side
    6,630.50x = 35,101,430.62
  5. Step 5: Solve for x
    x = 35,101,430.62/6,630.50
  6. Step 6: Final answer
    x = 5,293.93

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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.