Home / 7,558.46-10,430.57-4,201.28

Finding the Fourth Proportional to 7,558.46, 10,430.57 and 4,201.28

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Solution

The fourth proportional to 7,558.46, 10,430.57 and 4,201.28 is: 5,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.46 : 10,430.57 = 4,201.28 : x
  2. Step 2: Convert to fraction form
    7,558.46/10,430.57 = 4,201.28/x
  3. Step 3: Cross multiply
    7,558.46x = 10,430.57 × 4,201.28
  4. Step 4: Simplify right side
    7,558.46x = 43,821,745.13
  5. Step 5: Solve for x
    x = 43,821,745.13/7,558.46
  6. Step 6: Final answer
    x = 5,797.71

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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.