Home / 5,021.84-6,929.89-2,783.70

Finding the Fourth Proportional to 5,021.84, 6,929.89 and 2,783.70

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Solution

The fourth proportional to 5,021.84, 6,929.89 and 2,783.70 is: 3,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.84 : 6,929.89 = 2,783.70 : x
  2. Step 2: Convert to fraction form
    5,021.84/6,929.89 = 2,783.70/x
  3. Step 3: Cross multiply
    5,021.84x = 6,929.89 × 2,783.70
  4. Step 4: Simplify right side
    5,021.84x = 19,290,734.79
  5. Step 5: Solve for x
    x = 19,290,734.79/5,021.84
  6. Step 6: Final answer
    x = 3,841.37

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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.