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Finding the Fourth Proportional to 9,133.95, 12,604.64 and 5,407.95

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Solution

The fourth proportional to 9,133.95, 12,604.64 and 5,407.95 is: 7,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.95 : 12,604.64 = 5,407.95 : x
  2. Step 2: Convert to fraction form
    9,133.95/12,604.64 = 5,407.95/x
  3. Step 3: Cross multiply
    9,133.95x = 12,604.64 × 5,407.95
  4. Step 4: Simplify right side
    9,133.95x = 68,165,235.85
  5. Step 5: Solve for x
    x = 68,165,235.85/9,133.95
  6. Step 6: Final answer
    x = 7,462.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.