Home / 4,543.11-6,814.68-1,256.47

Finding the Fourth Proportional to 4,543.11, 6,814.68 and 1,256.47

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Solution

The fourth proportional to 4,543.11, 6,814.68 and 1,256.47 is: 1,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.11 : 6,814.68 = 1,256.47 : x
  2. Step 2: Convert to fraction form
    4,543.11/6,814.68 = 1,256.47/x
  3. Step 3: Cross multiply
    4,543.11x = 6,814.68 × 1,256.47
  4. Step 4: Simplify right side
    4,543.11x = 8,562,440.98
  5. Step 5: Solve for x
    x = 8,562,440.98/4,543.11
  6. Step 6: Final answer
    x = 1,884.71

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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.