Home / 7,681.07-11,514.81-2,997.81

Finding the Fourth Proportional to 7,681.07, 11,514.81 and 2,997.81

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Solution

The fourth proportional to 7,681.07, 11,514.81 and 2,997.81 is: 4,494.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.07 : 11,514.81 = 2,997.81 : x
  2. Step 2: Convert to fraction form
    7,681.07/11,514.81 = 2,997.81/x
  3. Step 3: Cross multiply
    7,681.07x = 11,514.81 × 2,997.81
  4. Step 4: Simplify right side
    7,681.07x = 34,519,252.86
  5. Step 5: Solve for x
    x = 34,519,252.86/7,681.07
  6. Step 6: Final answer
    x = 4,494.07

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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.