Home / 7,714.99-11,570.09-2,784

Finding the Fourth Proportional to 7,714.99, 11,570.09 and 2,784

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Solution

The fourth proportional to 7,714.99, 11,570.09 and 2,784 is: 4,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.99 : 11,570.09 = 2,784 : x
  2. Step 2: Convert to fraction form
    7,714.99/11,570.09 = 2,784/x
  3. Step 3: Cross multiply
    7,714.99x = 11,570.09 × 2,784
  4. Step 4: Simplify right side
    7,714.99x = 32,211,130.56
  5. Step 5: Solve for x
    x = 32,211,130.56/7,714.99
  6. Step 6: Final answer
    x = 4,175.14

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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.