Home / 6,981.36-10,469.80-3,085.68

Finding the Fourth Proportional to 6,981.36, 10,469.80 and 3,085.68

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Solution

The fourth proportional to 6,981.36, 10,469.80 and 3,085.68 is: 4,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.36 : 10,469.80 = 3,085.68 : x
  2. Step 2: Convert to fraction form
    6,981.36/10,469.80 = 3,085.68/x
  3. Step 3: Cross multiply
    6,981.36x = 10,469.80 × 3,085.68
  4. Step 4: Simplify right side
    6,981.36x = 32,306,452.46
  5. Step 5: Solve for x
    x = 32,306,452.46/6,981.36
  6. Step 6: Final answer
    x = 4,627.53

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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.