Home / 5,675.74-8,514.97-1,780.14

Finding the Fourth Proportional to 5,675.74, 8,514.97 and 1,780.14

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Solution

The fourth proportional to 5,675.74, 8,514.97 and 1,780.14 is: 2,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.74 : 8,514.97 = 1,780.14 : x
  2. Step 2: Convert to fraction form
    5,675.74/8,514.97 = 1,780.14/x
  3. Step 3: Cross multiply
    5,675.74x = 8,514.97 × 1,780.14
  4. Step 4: Simplify right side
    5,675.74x = 15,157,838.70
  5. Step 5: Solve for x
    x = 15,157,838.70/5,675.74
  6. Step 6: Final answer
    x = 2,670.64

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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.