Home / 9,130.42-13,687.11-4,964.26

Finding the Fourth Proportional to 9,130.42, 13,687.11 and 4,964.26

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Solution

The fourth proportional to 9,130.42, 13,687.11 and 4,964.26 is: 7,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.42 : 13,687.11 = 4,964.26 : x
  2. Step 2: Convert to fraction form
    9,130.42/13,687.11 = 4,964.26/x
  3. Step 3: Cross multiply
    9,130.42x = 13,687.11 × 4,964.26
  4. Step 4: Simplify right side
    9,130.42x = 67,946,372.69
  5. Step 5: Solve for x
    x = 67,946,372.69/9,130.42
  6. Step 6: Final answer
    x = 7,441.76

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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.