Home / 6,782.47-10,172.33-1,851.69

Finding the Fourth Proportional to 6,782.47, 10,172.33 and 1,851.69

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Solution

The fourth proportional to 6,782.47, 10,172.33 and 1,851.69 is: 2,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.47 : 10,172.33 = 1,851.69 : x
  2. Step 2: Convert to fraction form
    6,782.47/10,172.33 = 1,851.69/x
  3. Step 3: Cross multiply
    6,782.47x = 10,172.33 × 1,851.69
  4. Step 4: Simplify right side
    6,782.47x = 18,836,037.57
  5. Step 5: Solve for x
    x = 18,836,037.57/6,782.47
  6. Step 6: Final answer
    x = 2,777.17

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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.