Home / 6,782.64-10,172.08-1,852.47

Finding the Fourth Proportional to 6,782.64, 10,172.08 and 1,852.47

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Solution

The fourth proportional to 6,782.64, 10,172.08 and 1,852.47 is: 2,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.64 : 10,172.08 = 1,852.47 : x
  2. Step 2: Convert to fraction form
    6,782.64/10,172.08 = 1,852.47/x
  3. Step 3: Cross multiply
    6,782.64x = 10,172.08 × 1,852.47
  4. Step 4: Simplify right side
    6,782.64x = 18,843,475.35
  5. Step 5: Solve for x
    x = 18,843,475.35/6,782.64
  6. Step 6: Final answer
    x = 2,778.19

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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.