Home / 7,756.24-11,627.64-3,136.24

Finding the Fourth Proportional to 7,756.24, 11,627.64 and 3,136.24

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Solution

The fourth proportional to 7,756.24, 11,627.64 and 3,136.24 is: 4,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.24 : 11,627.64 = 3,136.24 : x
  2. Step 2: Convert to fraction form
    7,756.24/11,627.64 = 3,136.24/x
  3. Step 3: Cross multiply
    7,756.24x = 11,627.64 × 3,136.24
  4. Step 4: Simplify right side
    7,756.24x = 36,467,069.67
  5. Step 5: Solve for x
    x = 36,467,069.67/7,756.24
  6. Step 6: Final answer
    x = 4,701.64

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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.