Home / 4,442.23-6,664.49-1,520.55

Finding the Fourth Proportional to 4,442.23, 6,664.49 and 1,520.55

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Solution

The fourth proportional to 4,442.23, 6,664.49 and 1,520.55 is: 2,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.23 : 6,664.49 = 1,520.55 : x
  2. Step 2: Convert to fraction form
    4,442.23/6,664.49 = 1,520.55/x
  3. Step 3: Cross multiply
    4,442.23x = 6,664.49 × 1,520.55
  4. Step 4: Simplify right side
    4,442.23x = 10,133,690.27
  5. Step 5: Solve for x
    x = 10,133,690.27/4,442.23
  6. Step 6: Final answer
    x = 2,281.22

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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.