Home / 9,478.30-14,216.10-3,238.60

Finding the Fourth Proportional to 9,478.30, 14,216.10 and 3,238.60

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Solution

The fourth proportional to 9,478.30, 14,216.10 and 3,238.60 is: 4,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.30 : 14,216.10 = 3,238.60 : x
  2. Step 2: Convert to fraction form
    9,478.30/14,216.10 = 3,238.60/x
  3. Step 3: Cross multiply
    9,478.30x = 14,216.10 × 3,238.60
  4. Step 4: Simplify right side
    9,478.30x = 46,040,261.46
  5. Step 5: Solve for x
    x = 46,040,261.46/9,478.30
  6. Step 6: Final answer
    x = 4,857.44

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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.