Home / 4,543.21-6,814.80-1,256.29

Finding the Fourth Proportional to 4,543.21, 6,814.80 and 1,256.29

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Solution

The fourth proportional to 4,543.21, 6,814.80 and 1,256.29 is: 1,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.21 : 6,814.80 = 1,256.29 : x
  2. Step 2: Convert to fraction form
    4,543.21/6,814.80 = 1,256.29/x
  3. Step 3: Cross multiply
    4,543.21x = 6,814.80 × 1,256.29
  4. Step 4: Simplify right side
    4,543.21x = 8,561,374.66
  5. Step 5: Solve for x
    x = 8,561,374.66/4,543.21
  6. Step 6: Final answer
    x = 1,884.43

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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.