Home / 4,899.50-6,761.34-2,803.76

Finding the Fourth Proportional to 4,899.50, 6,761.34 and 2,803.76

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Solution

The fourth proportional to 4,899.50, 6,761.34 and 2,803.76 is: 3,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.50 : 6,761.34 = 2,803.76 : x
  2. Step 2: Convert to fraction form
    4,899.50/6,761.34 = 2,803.76/x
  3. Step 3: Cross multiply
    4,899.50x = 6,761.34 × 2,803.76
  4. Step 4: Simplify right side
    4,899.50x = 18,957,174.64
  5. Step 5: Solve for x
    x = 18,957,174.64/4,899.50
  6. Step 6: Final answer
    x = 3,869.21

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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.