Home / 8,543.70-12,817.26-3,613.32

Finding the Fourth Proportional to 8,543.70, 12,817.26 and 3,613.32

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Solution

The fourth proportional to 8,543.70, 12,817.26 and 3,613.32 is: 5,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.70 : 12,817.26 = 3,613.32 : x
  2. Step 2: Convert to fraction form
    8,543.70/12,817.26 = 3,613.32/x
  3. Step 3: Cross multiply
    8,543.70x = 12,817.26 × 3,613.32
  4. Step 4: Simplify right side
    8,543.70x = 46,312,861.90
  5. Step 5: Solve for x
    x = 46,312,861.90/8,543.70
  6. Step 6: Final answer
    x = 5,420.70

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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.