Home / 4,442.23-6,662.74-1,322.72

Finding the Fourth Proportional to 4,442.23, 6,662.74 and 1,322.72

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Solution

The fourth proportional to 4,442.23, 6,662.74 and 1,322.72 is: 1,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.23 : 6,662.74 = 1,322.72 : x
  2. Step 2: Convert to fraction form
    4,442.23/6,662.74 = 1,322.72/x
  3. Step 3: Cross multiply
    4,442.23x = 6,662.74 × 1,322.72
  4. Step 4: Simplify right side
    4,442.23x = 8,812,939.45
  5. Step 5: Solve for x
    x = 8,812,939.45/4,442.23
  6. Step 6: Final answer
    x = 1,983.90

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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.