Home / 8,540.18-11,785.44-4,763.68

Finding the Fourth Proportional to 8,540.18, 11,785.44 and 4,763.68

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Solution

The fourth proportional to 8,540.18, 11,785.44 and 4,763.68 is: 6,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.18 : 11,785.44 = 4,763.68 : x
  2. Step 2: Convert to fraction form
    8,540.18/11,785.44 = 4,763.68/x
  3. Step 3: Cross multiply
    8,540.18x = 11,785.44 × 4,763.68
  4. Step 4: Simplify right side
    8,540.18x = 56,142,064.82
  5. Step 5: Solve for x
    x = 56,142,064.82/8,540.18
  6. Step 6: Final answer
    x = 6,573.87

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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.