Home / 6,629.60-9,148.84-3,645.63

Finding the Fourth Proportional to 6,629.60, 9,148.84 and 3,645.63

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Solution

The fourth proportional to 6,629.60, 9,148.84 and 3,645.63 is: 5,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.60 : 9,148.84 = 3,645.63 : x
  2. Step 2: Convert to fraction form
    6,629.60/9,148.84 = 3,645.63/x
  3. Step 3: Cross multiply
    6,629.60x = 9,148.84 × 3,645.63
  4. Step 4: Simplify right side
    6,629.60x = 33,353,285.57
  5. Step 5: Solve for x
    x = 33,353,285.57/6,629.60
  6. Step 6: Final answer
    x = 5,030.97

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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.