Home / 7,136.57-9,847.61-4,151.93

Finding the Fourth Proportional to 7,136.57, 9,847.61 and 4,151.93

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Solution

The fourth proportional to 7,136.57, 9,847.61 and 4,151.93 is: 5,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.57 : 9,847.61 = 4,151.93 : x
  2. Step 2: Convert to fraction form
    7,136.57/9,847.61 = 4,151.93/x
  3. Step 3: Cross multiply
    7,136.57x = 9,847.61 × 4,151.93
  4. Step 4: Simplify right side
    7,136.57x = 40,886,532.96
  5. Step 5: Solve for x
    x = 40,886,532.96/7,136.57
  6. Step 6: Final answer
    x = 5,729.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.