Home / 4,723.88-7,085.84-1,261.13

Finding the Fourth Proportional to 4,723.88, 7,085.84 and 1,261.13

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Solution

The fourth proportional to 4,723.88, 7,085.84 and 1,261.13 is: 1,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.88 : 7,085.84 = 1,261.13 : x
  2. Step 2: Convert to fraction form
    4,723.88/7,085.84 = 1,261.13/x
  3. Step 3: Cross multiply
    4,723.88x = 7,085.84 × 1,261.13
  4. Step 4: Simplify right side
    4,723.88x = 8,936,123.66
  5. Step 5: Solve for x
    x = 8,936,123.66/4,723.88
  6. Step 6: Final answer
    x = 1,891.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.