Home / 4,750.75-6,555.84-2,761.29

Finding the Fourth Proportional to 4,750.75, 6,555.84 and 2,761.29

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Solution

The fourth proportional to 4,750.75, 6,555.84 and 2,761.29 is: 3,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.75 : 6,555.84 = 2,761.29 : x
  2. Step 2: Convert to fraction form
    4,750.75/6,555.84 = 2,761.29/x
  3. Step 3: Cross multiply
    4,750.75x = 6,555.84 × 2,761.29
  4. Step 4: Simplify right side
    4,750.75x = 18,102,575.43
  5. Step 5: Solve for x
    x = 18,102,575.43/4,750.75
  6. Step 6: Final answer
    x = 3,810.47

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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.