Home / 9,245.40-13,870.30-3,005.44

Finding the Fourth Proportional to 9,245.40, 13,870.30 and 3,005.44

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Solution

The fourth proportional to 9,245.40, 13,870.30 and 3,005.44 is: 4,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.40 : 13,870.30 = 3,005.44 : x
  2. Step 2: Convert to fraction form
    9,245.40/13,870.30 = 3,005.44/x
  3. Step 3: Cross multiply
    9,245.40x = 13,870.30 × 3,005.44
  4. Step 4: Simplify right side
    9,245.40x = 41,686,354.43
  5. Step 5: Solve for x
    x = 41,686,354.43/9,245.40
  6. Step 6: Final answer
    x = 4,508.88

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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.