Home / 4,929.15-6,802.42-2,805.05

Finding the Fourth Proportional to 4,929.15, 6,802.42 and 2,805.05

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Solution

The fourth proportional to 4,929.15, 6,802.42 and 2,805.05 is: 3,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.15 : 6,802.42 = 2,805.05 : x
  2. Step 2: Convert to fraction form
    4,929.15/6,802.42 = 2,805.05/x
  3. Step 3: Cross multiply
    4,929.15x = 6,802.42 × 2,805.05
  4. Step 4: Simplify right side
    4,929.15x = 19,081,128.22
  5. Step 5: Solve for x
    x = 19,081,128.22/4,929.15
  6. Step 6: Final answer
    x = 3,871.08

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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.