Home / 7,429.65-11,146.18-2,499.16

Finding the Fourth Proportional to 7,429.65, 11,146.18 and 2,499.16

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Solution

The fourth proportional to 7,429.65, 11,146.18 and 2,499.16 is: 3,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.65 : 11,146.18 = 2,499.16 : x
  2. Step 2: Convert to fraction form
    7,429.65/11,146.18 = 2,499.16/x
  3. Step 3: Cross multiply
    7,429.65x = 11,146.18 × 2,499.16
  4. Step 4: Simplify right side
    7,429.65x = 27,856,093.55
  5. Step 5: Solve for x
    x = 27,856,093.55/7,429.65
  6. Step 6: Final answer
    x = 3,749.31

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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.