Home / 7,716.44-10,648.31-4,312.86

Finding the Fourth Proportional to 7,716.44, 10,648.31 and 4,312.86

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Solution

The fourth proportional to 7,716.44, 10,648.31 and 4,312.86 is: 5,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.44 : 10,648.31 = 4,312.86 : x
  2. Step 2: Convert to fraction form
    7,716.44/10,648.31 = 4,312.86/x
  3. Step 3: Cross multiply
    7,716.44x = 10,648.31 × 4,312.86
  4. Step 4: Simplify right side
    7,716.44x = 45,924,648.70
  5. Step 5: Solve for x
    x = 45,924,648.70/7,716.44
  6. Step 6: Final answer
    x = 5,951.54

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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.