Home / 7,677.29-11,514.79-2,130.06

Finding the Fourth Proportional to 7,677.29, 11,514.79 and 2,130.06

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Solution

The fourth proportional to 7,677.29, 11,514.79 and 2,130.06 is: 3,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.29 : 11,514.79 = 2,130.06 : x
  2. Step 2: Convert to fraction form
    7,677.29/11,514.79 = 2,130.06/x
  3. Step 3: Cross multiply
    7,677.29x = 11,514.79 × 2,130.06
  4. Step 4: Simplify right side
    7,677.29x = 24,527,193.59
  5. Step 5: Solve for x
    x = 24,527,193.59/7,677.29
  6. Step 6: Final answer
    x = 3,194.77

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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.