Home / 6,629.31-9,144.43-5,210.73

Finding the Fourth Proportional to 6,629.31, 9,144.43 and 5,210.73

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Solution

The fourth proportional to 6,629.31, 9,144.43 and 5,210.73 is: 7,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.31 : 9,144.43 = 5,210.73 : x
  2. Step 2: Convert to fraction form
    6,629.31/9,144.43 = 5,210.73/x
  3. Step 3: Cross multiply
    6,629.31x = 9,144.43 × 5,210.73
  4. Step 4: Simplify right side
    6,629.31x = 47,649,142.71
  5. Step 5: Solve for x
    x = 47,649,142.71/6,629.31
  6. Step 6: Final answer
    x = 7,187.65

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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.