Home / 4,755.30-6,561.20-2,764.65

Finding the Fourth Proportional to 4,755.30, 6,561.20 and 2,764.65

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Solution

The fourth proportional to 4,755.30, 6,561.20 and 2,764.65 is: 3,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.30 : 6,561.20 = 2,764.65 : x
  2. Step 2: Convert to fraction form
    4,755.30/6,561.20 = 2,764.65/x
  3. Step 3: Cross multiply
    4,755.30x = 6,561.20 × 2,764.65
  4. Step 4: Simplify right side
    4,755.30x = 18,139,421.58
  5. Step 5: Solve for x
    x = 18,139,421.58/4,755.30
  6. Step 6: Final answer
    x = 3,814.57

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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.