Home / 6,525.36-9,005.02-3,872.72

Finding the Fourth Proportional to 6,525.36, 9,005.02 and 3,872.72

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Solution

The fourth proportional to 6,525.36, 9,005.02 and 3,872.72 is: 5,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.36 : 9,005.02 = 3,872.72 : x
  2. Step 2: Convert to fraction form
    6,525.36/9,005.02 = 3,872.72/x
  3. Step 3: Cross multiply
    6,525.36x = 9,005.02 × 3,872.72
  4. Step 4: Simplify right side
    6,525.36x = 34,873,921.05
  5. Step 5: Solve for x
    x = 34,873,921.05/6,525.36
  6. Step 6: Final answer
    x = 5,344.37

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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.