Home / 6,216.85-9,316.75-3,289.32

Finding the Fourth Proportional to 6,216.85, 9,316.75 and 3,289.32

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Solution

The fourth proportional to 6,216.85, 9,316.75 and 3,289.32 is: 4,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.85 : 9,316.75 = 3,289.32 : x
  2. Step 2: Convert to fraction form
    6,216.85/9,316.75 = 3,289.32/x
  3. Step 3: Cross multiply
    6,216.85x = 9,316.75 × 3,289.32
  4. Step 4: Simplify right side
    6,216.85x = 30,645,772.11
  5. Step 5: Solve for x
    x = 30,645,772.11/6,216.85
  6. Step 6: Final answer
    x = 4,929.47

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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.