Home / 6,842.40-9,442.48-3,698.56

Finding the Fourth Proportional to 6,842.40, 9,442.48 and 3,698.56

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Solution

The fourth proportional to 6,842.40, 9,442.48 and 3,698.56 is: 5,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.40 : 9,442.48 = 3,698.56 : x
  2. Step 2: Convert to fraction form
    6,842.40/9,442.48 = 3,698.56/x
  3. Step 3: Cross multiply
    6,842.40x = 9,442.48 × 3,698.56
  4. Step 4: Simplify right side
    6,842.40x = 34,923,578.83
  5. Step 5: Solve for x
    x = 34,923,578.83/6,842.40
  6. Step 6: Final answer
    x = 5,104.00

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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.