Home / 6,759.21-9,339.12-4,867.05

Finding the Fourth Proportional to 6,759.21, 9,339.12 and 4,867.05

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Solution

The fourth proportional to 6,759.21, 9,339.12 and 4,867.05 is: 6,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.21 : 9,339.12 = 4,867.05 : x
  2. Step 2: Convert to fraction form
    6,759.21/9,339.12 = 4,867.05/x
  3. Step 3: Cross multiply
    6,759.21x = 9,339.12 × 4,867.05
  4. Step 4: Simplify right side
    6,759.21x = 45,453,964.00
  5. Step 5: Solve for x
    x = 45,453,964.00/6,759.21
  6. Step 6: Final answer
    x = 6,724.75

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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.