Home / 6,629.61-9,148.91-3,645.49

Finding the Fourth Proportional to 6,629.61, 9,148.91 and 3,645.49

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Solution

The fourth proportional to 6,629.61, 9,148.91 and 3,645.49 is: 5,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.61 : 9,148.91 = 3,645.49 : x
  2. Step 2: Convert to fraction form
    6,629.61/9,148.91 = 3,645.49/x
  3. Step 3: Cross multiply
    6,629.61x = 9,148.91 × 3,645.49
  4. Step 4: Simplify right side
    6,629.61x = 33,352,259.92
  5. Step 5: Solve for x
    x = 33,352,259.92/6,629.61
  6. Step 6: Final answer
    x = 5,030.80

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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.