Home / 6,242.20-9,360.36-1,858.12

Finding the Fourth Proportional to 6,242.20, 9,360.36 and 1,858.12

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Solution

The fourth proportional to 6,242.20, 9,360.36 and 1,858.12 is: 2,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.20 : 9,360.36 = 1,858.12 : x
  2. Step 2: Convert to fraction form
    6,242.20/9,360.36 = 1,858.12/x
  3. Step 3: Cross multiply
    6,242.20x = 9,360.36 × 1,858.12
  4. Step 4: Simplify right side
    6,242.20x = 17,392,672.12
  5. Step 5: Solve for x
    x = 17,392,672.12/6,242.20
  6. Step 6: Final answer
    x = 2,786.30

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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.