Home / 5,136.94-7,087.24-4,191.10

Finding the Fourth Proportional to 5,136.94, 7,087.24 and 4,191.10

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Solution

The fourth proportional to 5,136.94, 7,087.24 and 4,191.10 is: 5,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.94 : 7,087.24 = 4,191.10 : x
  2. Step 2: Convert to fraction form
    5,136.94/7,087.24 = 4,191.10/x
  3. Step 3: Cross multiply
    5,136.94x = 7,087.24 × 4,191.10
  4. Step 4: Simplify right side
    5,136.94x = 29,703,319.08
  5. Step 5: Solve for x
    x = 29,703,319.08/5,136.94
  6. Step 6: Final answer
    x = 5,782.30

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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.