Home / 7,027.32-10,542.18-2,645.40

Finding the Fourth Proportional to 7,027.32, 10,542.18 and 2,645.40

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Solution

The fourth proportional to 7,027.32, 10,542.18 and 2,645.40 is: 3,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.32 : 10,542.18 = 2,645.40 : x
  2. Step 2: Convert to fraction form
    7,027.32/10,542.18 = 2,645.40/x
  3. Step 3: Cross multiply
    7,027.32x = 10,542.18 × 2,645.40
  4. Step 4: Simplify right side
    7,027.32x = 27,888,282.97
  5. Step 5: Solve for x
    x = 27,888,282.97/7,027.32
  6. Step 6: Final answer
    x = 3,968.55

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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.