Home / 7,799.50-10,761.60-4,965.86

Finding the Fourth Proportional to 7,799.50, 10,761.60 and 4,965.86

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Solution

The fourth proportional to 7,799.50, 10,761.60 and 4,965.86 is: 6,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.50 : 10,761.60 = 4,965.86 : x
  2. Step 2: Convert to fraction form
    7,799.50/10,761.60 = 4,965.86/x
  3. Step 3: Cross multiply
    7,799.50x = 10,761.60 × 4,965.86
  4. Step 4: Simplify right side
    7,799.50x = 53,440,598.98
  5. Step 5: Solve for x
    x = 53,440,598.98/7,799.50
  6. Step 6: Final answer
    x = 6,851.80

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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.