Home / 6,930.81-10,396.22-5,979.47

Finding the Fourth Proportional to 6,930.81, 10,396.22 and 5,979.47

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Solution

The fourth proportional to 6,930.81, 10,396.22 and 5,979.47 is: 8,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.81 : 10,396.22 = 5,979.47 : x
  2. Step 2: Convert to fraction form
    6,930.81/10,396.22 = 5,979.47/x
  3. Step 3: Cross multiply
    6,930.81x = 10,396.22 × 5,979.47
  4. Step 4: Simplify right side
    6,930.81x = 62,163,803.72
  5. Step 5: Solve for x
    x = 62,163,803.72/6,930.81
  6. Step 6: Final answer
    x = 8,969.20

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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.