Home / 7,650.87-11,479.74-4,136.76

Finding the Fourth Proportional to 7,650.87, 11,479.74 and 4,136.76

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Solution

The fourth proportional to 7,650.87, 11,479.74 and 4,136.76 is: 6,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.87 : 11,479.74 = 4,136.76 : x
  2. Step 2: Convert to fraction form
    7,650.87/11,479.74 = 4,136.76/x
  3. Step 3: Cross multiply
    7,650.87x = 11,479.74 × 4,136.76
  4. Step 4: Simplify right side
    7,650.87x = 47,488,929.24
  5. Step 5: Solve for x
    x = 47,488,929.24/7,650.87
  6. Step 6: Final answer
    x = 6,207.00

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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.