Home / 7,946.28-11,910.12-5,310.60

Finding the Fourth Proportional to 7,946.28, 11,910.12 and 5,310.60

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Solution

The fourth proportional to 7,946.28, 11,910.12 and 5,310.60 is: 7,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.28 : 11,910.12 = 5,310.60 : x
  2. Step 2: Convert to fraction form
    7,946.28/11,910.12 = 5,310.60/x
  3. Step 3: Cross multiply
    7,946.28x = 11,910.12 × 5,310.60
  4. Step 4: Simplify right side
    7,946.28x = 63,249,883.27
  5. Step 5: Solve for x
    x = 63,249,883.27/7,946.28
  6. Step 6: Final answer
    x = 7,959.68

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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.