Home / 10,297.49-15,440.70-3,275.60

Finding the Fourth Proportional to 10,297.49, 15,440.70 and 3,275.60

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Solution

The fourth proportional to 10,297.49, 15,440.70 and 3,275.60 is: 4,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.49 : 15,440.70 = 3,275.60 : x
  2. Step 2: Convert to fraction form
    10,297.49/15,440.70 = 3,275.60/x
  3. Step 3: Cross multiply
    10,297.49x = 15,440.70 × 3,275.60
  4. Step 4: Simplify right side
    10,297.49x = 50,577,556.92
  5. Step 5: Solve for x
    x = 50,577,556.92/10,297.49
  6. Step 6: Final answer
    x = 4,911.64

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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.