Home / 7,780.17-11,667.76-2,514.05

Finding the Fourth Proportional to 7,780.17, 11,667.76 and 2,514.05

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Solution

The fourth proportional to 7,780.17, 11,667.76 and 2,514.05 is: 3,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.17 : 11,667.76 = 2,514.05 : x
  2. Step 2: Convert to fraction form
    7,780.17/11,667.76 = 2,514.05/x
  3. Step 3: Cross multiply
    7,780.17x = 11,667.76 × 2,514.05
  4. Step 4: Simplify right side
    7,780.17x = 29,333,368.02
  5. Step 5: Solve for x
    x = 29,333,368.02/7,780.17
  6. Step 6: Final answer
    x = 3,770.27

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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.