Home / 8,543.93-12,817.64-3,613.59

Finding the Fourth Proportional to 8,543.93, 12,817.64 and 3,613.59

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Solution

The fourth proportional to 8,543.93, 12,817.64 and 3,613.59 is: 5,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.93 : 12,817.64 = 3,613.59 : x
  2. Step 2: Convert to fraction form
    8,543.93/12,817.64 = 3,613.59/x
  3. Step 3: Cross multiply
    8,543.93x = 12,817.64 × 3,613.59
  4. Step 4: Simplify right side
    8,543.93x = 46,317,704.76
  5. Step 5: Solve for x
    x = 46,317,704.76/8,543.93
  6. Step 6: Final answer
    x = 5,421.13

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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.