Home / 5,021.12-6,929.42-2,783.26

Finding the Fourth Proportional to 5,021.12, 6,929.42 and 2,783.26

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Solution

The fourth proportional to 5,021.12, 6,929.42 and 2,783.26 is: 3,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.12 : 6,929.42 = 2,783.26 : x
  2. Step 2: Convert to fraction form
    5,021.12/6,929.42 = 2,783.26/x
  3. Step 3: Cross multiply
    5,021.12x = 6,929.42 × 2,783.26
  4. Step 4: Simplify right side
    5,021.12x = 19,286,377.51
  5. Step 5: Solve for x
    x = 19,286,377.51/5,021.12
  6. Step 6: Final answer
    x = 3,841.05

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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.