Home / 5,021.20-6,929.26-2,783.08

Finding the Fourth Proportional to 5,021.20, 6,929.26 and 2,783.08

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Solution

The fourth proportional to 5,021.20, 6,929.26 and 2,783.08 is: 3,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.20 : 6,929.26 = 2,783.08 : x
  2. Step 2: Convert to fraction form
    5,021.20/6,929.26 = 2,783.08/x
  3. Step 3: Cross multiply
    5,021.20x = 6,929.26 × 2,783.08
  4. Step 4: Simplify right side
    5,021.20x = 19,284,684.92
  5. Step 5: Solve for x
    x = 19,284,684.92/5,021.20
  6. Step 6: Final answer
    x = 3,840.65

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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.