Home / 6,969.76-10,449.07-3,636.34

Finding the Fourth Proportional to 6,969.76, 10,449.07 and 3,636.34

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Solution

The fourth proportional to 6,969.76, 10,449.07 and 3,636.34 is: 5,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.76 : 10,449.07 = 3,636.34 : x
  2. Step 2: Convert to fraction form
    6,969.76/10,449.07 = 3,636.34/x
  3. Step 3: Cross multiply
    6,969.76x = 10,449.07 × 3,636.34
  4. Step 4: Simplify right side
    6,969.76x = 37,996,345.79
  5. Step 5: Solve for x
    x = 37,996,345.79/6,969.76
  6. Step 6: Final answer
    x = 5,451.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.