Home / 9,860.32-14,788.88-3,286.56

Finding the Fourth Proportional to 9,860.32, 14,788.88 and 3,286.56

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Solution

The fourth proportional to 9,860.32, 14,788.88 and 3,286.56 is: 4,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.32 : 14,788.88 = 3,286.56 : x
  2. Step 2: Convert to fraction form
    9,860.32/14,788.88 = 3,286.56/x
  3. Step 3: Cross multiply
    9,860.32x = 14,788.88 × 3,286.56
  4. Step 4: Simplify right side
    9,860.32x = 48,604,541.45
  5. Step 5: Solve for x
    x = 48,604,541.45/9,860.32
  6. Step 6: Final answer
    x = 4,929.31

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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.