Home / 6,802.64-10,192.44-5,420.24

Finding the Fourth Proportional to 6,802.64, 10,192.44 and 5,420.24

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Solution

The fourth proportional to 6,802.64, 10,192.44 and 5,420.24 is: 8,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.64 : 10,192.44 = 5,420.24 : x
  2. Step 2: Convert to fraction form
    6,802.64/10,192.44 = 5,420.24/x
  3. Step 3: Cross multiply
    6,802.64x = 10,192.44 × 5,420.24
  4. Step 4: Simplify right side
    6,802.64x = 55,245,470.99
  5. Step 5: Solve for x
    x = 55,245,470.99/6,802.64
  6. Step 6: Final answer
    x = 8,121.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.