Home / 5,021.65-6,929.80-2,783.53

Finding the Fourth Proportional to 5,021.65, 6,929.80 and 2,783.53

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Solution

The fourth proportional to 5,021.65, 6,929.80 and 2,783.53 is: 3,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.65 : 6,929.80 = 2,783.53 : x
  2. Step 2: Convert to fraction form
    5,021.65/6,929.80 = 2,783.53/x
  3. Step 3: Cross multiply
    5,021.65x = 6,929.80 × 2,783.53
  4. Step 4: Simplify right side
    5,021.65x = 19,289,306.19
  5. Step 5: Solve for x
    x = 19,289,306.19/5,021.65
  6. Step 6: Final answer
    x = 3,841.23

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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.