Home / 6,136.47-8,468.91-3,619.40

Finding the Fourth Proportional to 6,136.47, 8,468.91 and 3,619.40

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Solution

The fourth proportional to 6,136.47, 8,468.91 and 3,619.40 is: 4,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.47 : 8,468.91 = 3,619.40 : x
  2. Step 2: Convert to fraction form
    6,136.47/8,468.91 = 3,619.40/x
  3. Step 3: Cross multiply
    6,136.47x = 8,468.91 × 3,619.40
  4. Step 4: Simplify right side
    6,136.47x = 30,652,330.51
  5. Step 5: Solve for x
    x = 30,652,330.51/6,136.47
  6. Step 6: Final answer
    x = 4,995.11

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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.