Home / 8,260.20-11,398.86-4,723.74

Finding the Fourth Proportional to 8,260.20, 11,398.86 and 4,723.74

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Solution

The fourth proportional to 8,260.20, 11,398.86 and 4,723.74 is: 6,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.20 : 11,398.86 = 4,723.74 : x
  2. Step 2: Convert to fraction form
    8,260.20/11,398.86 = 4,723.74/x
  3. Step 3: Cross multiply
    8,260.20x = 11,398.86 × 4,723.74
  4. Step 4: Simplify right side
    8,260.20x = 53,845,250.94
  5. Step 5: Solve for x
    x = 53,845,250.94/8,260.20
  6. Step 6: Final answer
    x = 6,518.64

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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.