Home / 7,308.58-10,079.22-4,789.78

Finding the Fourth Proportional to 7,308.58, 10,079.22 and 4,789.78

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Solution

The fourth proportional to 7,308.58, 10,079.22 and 4,789.78 is: 6,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.58 : 10,079.22 = 4,789.78 : x
  2. Step 2: Convert to fraction form
    7,308.58/10,079.22 = 4,789.78/x
  3. Step 3: Cross multiply
    7,308.58x = 10,079.22 × 4,789.78
  4. Step 4: Simplify right side
    7,308.58x = 48,277,246.37
  5. Step 5: Solve for x
    x = 48,277,246.37/7,308.58
  6. Step 6: Final answer
    x = 6,605.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.