Home / 7,636.80-11,457.36-4,519.56

Finding the Fourth Proportional to 7,636.80, 11,457.36 and 4,519.56

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Solution

The fourth proportional to 7,636.80, 11,457.36 and 4,519.56 is: 6,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.80 : 11,457.36 = 4,519.56 : x
  2. Step 2: Convert to fraction form
    7,636.80/11,457.36 = 4,519.56/x
  3. Step 3: Cross multiply
    7,636.80x = 11,457.36 × 4,519.56
  4. Step 4: Simplify right side
    7,636.80x = 51,782,225.96
  5. Step 5: Solve for x
    x = 51,782,225.96/7,636.80
  6. Step 6: Final answer
    x = 6,780.62

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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.