Home / 7,959.28-11,946.20-4,265.68

Finding the Fourth Proportional to 7,959.28, 11,946.20 and 4,265.68

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Solution

The fourth proportional to 7,959.28, 11,946.20 and 4,265.68 is: 6,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.28 : 11,946.20 = 4,265.68 : x
  2. Step 2: Convert to fraction form
    7,959.28/11,946.20 = 4,265.68/x
  3. Step 3: Cross multiply
    7,959.28x = 11,946.20 × 4,265.68
  4. Step 4: Simplify right side
    7,959.28x = 50,958,666.42
  5. Step 5: Solve for x
    x = 50,958,666.42/7,959.28
  6. Step 6: Final answer
    x = 6,402.42

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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.