Home / 9,005.58-13,490.26-4,489.01

Finding the Fourth Proportional to 9,005.58, 13,490.26 and 4,489.01

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Solution

The fourth proportional to 9,005.58, 13,490.26 and 4,489.01 is: 6,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.58 : 13,490.26 = 4,489.01 : x
  2. Step 2: Convert to fraction form
    9,005.58/13,490.26 = 4,489.01/x
  3. Step 3: Cross multiply
    9,005.58x = 13,490.26 × 4,489.01
  4. Step 4: Simplify right side
    9,005.58x = 60,557,883.96
  5. Step 5: Solve for x
    x = 60,557,883.96/9,005.58
  6. Step 6: Final answer
    x = 6,724.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.