Home / 7,491.21-10,336.57-4,804.78

Finding the Fourth Proportional to 7,491.21, 10,336.57 and 4,804.78

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Solution

The fourth proportional to 7,491.21, 10,336.57 and 4,804.78 is: 6,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.21 : 10,336.57 = 4,804.78 : x
  2. Step 2: Convert to fraction form
    7,491.21/10,336.57 = 4,804.78/x
  3. Step 3: Cross multiply
    7,491.21x = 10,336.57 × 4,804.78
  4. Step 4: Simplify right side
    7,491.21x = 49,664,944.80
  5. Step 5: Solve for x
    x = 49,664,944.80/7,491.21
  6. Step 6: Final answer
    x = 6,629.76

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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.