Home / 9,289.30-13,930.08-3,442.72

Finding the Fourth Proportional to 9,289.30, 13,930.08 and 3,442.72

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Solution

The fourth proportional to 9,289.30, 13,930.08 and 3,442.72 is: 5,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.30 : 13,930.08 = 3,442.72 : x
  2. Step 2: Convert to fraction form
    9,289.30/13,930.08 = 3,442.72/x
  3. Step 3: Cross multiply
    9,289.30x = 13,930.08 × 3,442.72
  4. Step 4: Simplify right side
    9,289.30x = 47,957,365.02
  5. Step 5: Solve for x
    x = 47,957,365.02/9,289.30
  6. Step 6: Final answer
    x = 5,162.65

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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.