Home / 4,442.08-6,660.37-1,520.61

Finding the Fourth Proportional to 4,442.08, 6,660.37 and 1,520.61

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Solution

The fourth proportional to 4,442.08, 6,660.37 and 1,520.61 is: 2,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.08 : 6,660.37 = 1,520.61 : x
  2. Step 2: Convert to fraction form
    4,442.08/6,660.37 = 1,520.61/x
  3. Step 3: Cross multiply
    4,442.08x = 6,660.37 × 1,520.61
  4. Step 4: Simplify right side
    4,442.08x = 10,127,784.32
  5. Step 5: Solve for x
    x = 10,127,784.32/4,442.08
  6. Step 6: Final answer
    x = 2,279.97

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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.