Home / 4,440.44-6,659.74-1,320.39

Finding the Fourth Proportional to 4,440.44, 6,659.74 and 1,320.39

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Solution

The fourth proportional to 4,440.44, 6,659.74 and 1,320.39 is: 1,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.44 : 6,659.74 = 1,320.39 : x
  2. Step 2: Convert to fraction form
    4,440.44/6,659.74 = 1,320.39/x
  3. Step 3: Cross multiply
    4,440.44x = 6,659.74 × 1,320.39
  4. Step 4: Simplify right side
    4,440.44x = 8,793,454.10
  5. Step 5: Solve for x
    x = 8,793,454.10/4,440.44
  6. Step 6: Final answer
    x = 1,980.31

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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.