Home / 7,629.30-10,502.82-6,788.70

Finding the Fourth Proportional to 7,629.30, 10,502.82 and 6,788.70

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Solution

The fourth proportional to 7,629.30, 10,502.82 and 6,788.70 is: 9,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.30 : 10,502.82 = 6,788.70 : x
  2. Step 2: Convert to fraction form
    7,629.30/10,502.82 = 6,788.70/x
  3. Step 3: Cross multiply
    7,629.30x = 10,502.82 × 6,788.70
  4. Step 4: Simplify right side
    7,629.30x = 71,300,494.13
  5. Step 5: Solve for x
    x = 71,300,494.13/7,629.30
  6. Step 6: Final answer
    x = 9,345.61

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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.