Home / 6,634.60-9,149.70-5,308.36

Finding the Fourth Proportional to 6,634.60, 9,149.70 and 5,308.36

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Solution

The fourth proportional to 6,634.60, 9,149.70 and 5,308.36 is: 7,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.60 : 9,149.70 = 5,308.36 : x
  2. Step 2: Convert to fraction form
    6,634.60/9,149.70 = 5,308.36/x
  3. Step 3: Cross multiply
    6,634.60x = 9,149.70 × 5,308.36
  4. Step 4: Simplify right side
    6,634.60x = 48,569,901.49
  5. Step 5: Solve for x
    x = 48,569,901.49/6,634.60
  6. Step 6: Final answer
    x = 7,320.70

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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.