Home / 7,027.58-10,540.15-2,645.07

Finding the Fourth Proportional to 7,027.58, 10,540.15 and 2,645.07

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Solution

The fourth proportional to 7,027.58, 10,540.15 and 2,645.07 is: 3,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.58 : 10,540.15 = 2,645.07 : x
  2. Step 2: Convert to fraction form
    7,027.58/10,540.15 = 2,645.07/x
  3. Step 3: Cross multiply
    7,027.58x = 10,540.15 × 2,645.07
  4. Step 4: Simplify right side
    7,027.58x = 27,879,434.56
  5. Step 5: Solve for x
    x = 27,879,434.56/7,027.58
  6. Step 6: Final answer
    x = 3,967.15

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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.