Home / 8,245.21-11,375.63-4,705.93

Finding the Fourth Proportional to 8,245.21, 11,375.63 and 4,705.93

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Solution

The fourth proportional to 8,245.21, 11,375.63 and 4,705.93 is: 6,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.21 : 11,375.63 = 4,705.93 : x
  2. Step 2: Convert to fraction form
    8,245.21/11,375.63 = 4,705.93/x
  3. Step 3: Cross multiply
    8,245.21x = 11,375.63 × 4,705.93
  4. Step 4: Simplify right side
    8,245.21x = 53,532,894.96
  5. Step 5: Solve for x
    x = 53,532,894.96/8,245.21
  6. Step 6: Final answer
    x = 6,492.61

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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.