Home / 9,026.32-13,539.84-2,785.78

Finding the Fourth Proportional to 9,026.32, 13,539.84 and 2,785.78

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Solution

The fourth proportional to 9,026.32, 13,539.84 and 2,785.78 is: 4,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.32 : 13,539.84 = 2,785.78 : x
  2. Step 2: Convert to fraction form
    9,026.32/13,539.84 = 2,785.78/x
  3. Step 3: Cross multiply
    9,026.32x = 13,539.84 × 2,785.78
  4. Step 4: Simplify right side
    9,026.32x = 37,719,015.48
  5. Step 5: Solve for x
    x = 37,719,015.48/9,026.32
  6. Step 6: Final answer
    x = 4,178.78

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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.