Home / 6,986.24-10,479.36-1,792.56

Finding the Fourth Proportional to 6,986.24, 10,479.36 and 1,792.56

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Solution

The fourth proportional to 6,986.24, 10,479.36 and 1,792.56 is: 2,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.24 : 10,479.36 = 1,792.56 : x
  2. Step 2: Convert to fraction form
    6,986.24/10,479.36 = 1,792.56/x
  3. Step 3: Cross multiply
    6,986.24x = 10,479.36 × 1,792.56
  4. Step 4: Simplify right side
    6,986.24x = 18,784,881.56
  5. Step 5: Solve for x
    x = 18,784,881.56/6,986.24
  6. Step 6: Final answer
    x = 2,688.84

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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.