Home / 7,394.61-11,079.60-5,198.74

Finding the Fourth Proportional to 7,394.61, 11,079.60 and 5,198.74

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Solution

The fourth proportional to 7,394.61, 11,079.60 and 5,198.74 is: 7,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.61 : 11,079.60 = 5,198.74 : x
  2. Step 2: Convert to fraction form
    7,394.61/11,079.60 = 5,198.74/x
  3. Step 3: Cross multiply
    7,394.61x = 11,079.60 × 5,198.74
  4. Step 4: Simplify right side
    7,394.61x = 57,599,959.70
  5. Step 5: Solve for x
    x = 57,599,959.70/7,394.61
  6. Step 6: Final answer
    x = 7,789.45

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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.