Home / 5,111.24-7,629.57-4,385.48

Finding the Fourth Proportional to 5,111.24, 7,629.57 and 4,385.48

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Solution

The fourth proportional to 5,111.24, 7,629.57 and 4,385.48 is: 6,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.24 : 7,629.57 = 4,385.48 : x
  2. Step 2: Convert to fraction form
    5,111.24/7,629.57 = 4,385.48/x
  3. Step 3: Cross multiply
    5,111.24x = 7,629.57 × 4,385.48
  4. Step 4: Simplify right side
    5,111.24x = 33,459,326.64
  5. Step 5: Solve for x
    x = 33,459,326.64/5,111.24
  6. Step 6: Final answer
    x = 6,546.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.