Home / 7,090.20-9,786.66-4,851.22

Finding the Fourth Proportional to 7,090.20, 9,786.66 and 4,851.22

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Solution

The fourth proportional to 7,090.20, 9,786.66 and 4,851.22 is: 6,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.20 : 9,786.66 = 4,851.22 : x
  2. Step 2: Convert to fraction form
    7,090.20/9,786.66 = 4,851.22/x
  3. Step 3: Cross multiply
    7,090.20x = 9,786.66 × 4,851.22
  4. Step 4: Simplify right side
    7,090.20x = 47,477,240.73
  5. Step 5: Solve for x
    x = 47,477,240.73/7,090.20
  6. Step 6: Final answer
    x = 6,696.18

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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.