Home / 7,635.40-10,536.64-4,491.80

Finding the Fourth Proportional to 7,635.40, 10,536.64 and 4,491.80

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Solution

The fourth proportional to 7,635.40, 10,536.64 and 4,491.80 is: 6,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.40 : 10,536.64 = 4,491.80 : x
  2. Step 2: Convert to fraction form
    7,635.40/10,536.64 = 4,491.80/x
  3. Step 3: Cross multiply
    7,635.40x = 10,536.64 × 4,491.80
  4. Step 4: Simplify right side
    7,635.40x = 47,328,479.55
  5. Step 5: Solve for x
    x = 47,328,479.55/7,635.40
  6. Step 6: Final answer
    x = 6,198.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.