Home / 9,287-13,931.94-3,045.56

Finding the Fourth Proportional to 9,287, 13,931.94 and 3,045.56

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Solution

The fourth proportional to 9,287, 13,931.94 and 3,045.56 is: 4,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287 : 13,931.94 = 3,045.56 : x
  2. Step 2: Convert to fraction form
    9,287/13,931.94 = 3,045.56/x
  3. Step 3: Cross multiply
    9,287x = 13,931.94 × 3,045.56
  4. Step 4: Simplify right side
    9,287x = 42,430,559.19
  5. Step 5: Solve for x
    x = 42,430,559.19/9,287
  6. Step 6: Final answer
    x = 4,568.81

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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.