Home / 6,378.08-9,566.86-2,219.04

Finding the Fourth Proportional to 6,378.08, 9,566.86 and 2,219.04

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Solution

The fourth proportional to 6,378.08, 9,566.86 and 2,219.04 is: 3,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.08 : 9,566.86 = 2,219.04 : x
  2. Step 2: Convert to fraction form
    6,378.08/9,566.86 = 2,219.04/x
  3. Step 3: Cross multiply
    6,378.08x = 9,566.86 × 2,219.04
  4. Step 4: Simplify right side
    6,378.08x = 21,229,245.01
  5. Step 5: Solve for x
    x = 21,229,245.01/6,378.08
  6. Step 6: Final answer
    x = 3,328.47

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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.