Home / 7,828.49-10,802.97-4,686.41

Finding the Fourth Proportional to 7,828.49, 10,802.97 and 4,686.41

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Solution

The fourth proportional to 7,828.49, 10,802.97 and 4,686.41 is: 6,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.49 : 10,802.97 = 4,686.41 : x
  2. Step 2: Convert to fraction form
    7,828.49/10,802.97 = 4,686.41/x
  3. Step 3: Cross multiply
    7,828.49x = 10,802.97 × 4,686.41
  4. Step 4: Simplify right side
    7,828.49x = 50,627,092.62
  5. Step 5: Solve for x
    x = 50,627,092.62/7,828.49
  6. Step 6: Final answer
    x = 6,467.04

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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.