Home / 7,359.65-11,039.82-2,429.72

Finding the Fourth Proportional to 7,359.65, 11,039.82 and 2,429.72

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Solution

The fourth proportional to 7,359.65, 11,039.82 and 2,429.72 is: 3,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.65 : 11,039.82 = 2,429.72 : x
  2. Step 2: Convert to fraction form
    7,359.65/11,039.82 = 2,429.72/x
  3. Step 3: Cross multiply
    7,359.65x = 11,039.82 × 2,429.72
  4. Step 4: Simplify right side
    7,359.65x = 26,823,671.45
  5. Step 5: Solve for x
    x = 26,823,671.45/7,359.65
  6. Step 6: Final answer
    x = 3,644.69

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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.