Home / 8,543.66-12,816.86-3,613.34

Finding the Fourth Proportional to 8,543.66, 12,816.86 and 3,613.34

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Solution

The fourth proportional to 8,543.66, 12,816.86 and 3,613.34 is: 5,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.66 : 12,816.86 = 3,613.34 : x
  2. Step 2: Convert to fraction form
    8,543.66/12,816.86 = 3,613.34/x
  3. Step 3: Cross multiply
    8,543.66x = 12,816.86 × 3,613.34
  4. Step 4: Simplify right side
    8,543.66x = 46,311,672.91
  5. Step 5: Solve for x
    x = 46,311,672.91/8,543.66
  6. Step 6: Final answer
    x = 5,420.59

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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.