Home / 6,756.63-10,136.56-2,139.63

Finding the Fourth Proportional to 6,756.63, 10,136.56 and 2,139.63

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Solution

The fourth proportional to 6,756.63, 10,136.56 and 2,139.63 is: 3,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,756.63 : 10,136.56 = 2,139.63 : x
  2. Step 2: Convert to fraction form
    6,756.63/10,136.56 = 2,139.63/x
  3. Step 3: Cross multiply
    6,756.63x = 10,136.56 × 2,139.63
  4. Step 4: Simplify right side
    6,756.63x = 21,688,487.87
  5. Step 5: Solve for x
    x = 21,688,487.87/6,756.63
  6. Step 6: Final answer
    x = 3,209.96

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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.