Home / 4,136.90-6,210.15-2,188.10

Finding the Fourth Proportional to 4,136.90, 6,210.15 and 2,188.10

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Solution

The fourth proportional to 4,136.90, 6,210.15 and 2,188.10 is: 3,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.90 : 6,210.15 = 2,188.10 : x
  2. Step 2: Convert to fraction form
    4,136.90/6,210.15 = 2,188.10/x
  3. Step 3: Cross multiply
    4,136.90x = 6,210.15 × 2,188.10
  4. Step 4: Simplify right side
    4,136.90x = 13,588,429.22
  5. Step 5: Solve for x
    x = 13,588,429.22/4,136.90
  6. Step 6: Final answer
    x = 3,284.69

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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.