Home / 8,629.42-12,941.42-3,697.74

Finding the Fourth Proportional to 8,629.42, 12,941.42 and 3,697.74

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Solution

The fourth proportional to 8,629.42, 12,941.42 and 3,697.74 is: 5,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.42 : 12,941.42 = 3,697.74 : x
  2. Step 2: Convert to fraction form
    8,629.42/12,941.42 = 3,697.74/x
  3. Step 3: Cross multiply
    8,629.42x = 12,941.42 × 3,697.74
  4. Step 4: Simplify right side
    8,629.42x = 47,854,006.39
  5. Step 5: Solve for x
    x = 47,854,006.39/8,629.42
  6. Step 6: Final answer
    x = 5,545.45

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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.