Home / 7,423.87-11,136.15-4,134.49

Finding the Fourth Proportional to 7,423.87, 11,136.15 and 4,134.49

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Solution

The fourth proportional to 7,423.87, 11,136.15 and 4,134.49 is: 6,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.87 : 11,136.15 = 4,134.49 : x
  2. Step 2: Convert to fraction form
    7,423.87/11,136.15 = 4,134.49/x
  3. Step 3: Cross multiply
    7,423.87x = 11,136.15 × 4,134.49
  4. Step 4: Simplify right side
    7,423.87x = 46,042,300.81
  5. Step 5: Solve for x
    x = 46,042,300.81/7,423.87
  6. Step 6: Final answer
    x = 6,201.93

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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.