Home / 9,479.30-14,221.37-2,905.54

Finding the Fourth Proportional to 9,479.30, 14,221.37 and 2,905.54

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Solution

The fourth proportional to 9,479.30, 14,221.37 and 2,905.54 is: 4,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.30 : 14,221.37 = 2,905.54 : x
  2. Step 2: Convert to fraction form
    9,479.30/14,221.37 = 2,905.54/x
  3. Step 3: Cross multiply
    9,479.30x = 14,221.37 × 2,905.54
  4. Step 4: Simplify right side
    9,479.30x = 41,320,731.10
  5. Step 5: Solve for x
    x = 41,320,731.10/9,479.30
  6. Step 6: Final answer
    x = 4,359.05

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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.