Home / 5,021.50-6,929.72-2,783.42

Finding the Fourth Proportional to 5,021.50, 6,929.72 and 2,783.42

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Solution

The fourth proportional to 5,021.50, 6,929.72 and 2,783.42 is: 3,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.50 : 6,929.72 = 2,783.42 : x
  2. Step 2: Convert to fraction form
    5,021.50/6,929.72 = 2,783.42/x
  3. Step 3: Cross multiply
    5,021.50x = 6,929.72 × 2,783.42
  4. Step 4: Simplify right side
    5,021.50x = 19,288,293.55
  5. Step 5: Solve for x
    x = 19,288,293.55/5,021.50
  6. Step 6: Final answer
    x = 3,841.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.