Home / 4,879.50-7,319.37-1,759.77

Finding the Fourth Proportional to 4,879.50, 7,319.37 and 1,759.77

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Solution

The fourth proportional to 4,879.50, 7,319.37 and 1,759.77 is: 2,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.50 : 7,319.37 = 1,759.77 : x
  2. Step 2: Convert to fraction form
    4,879.50/7,319.37 = 1,759.77/x
  3. Step 3: Cross multiply
    4,879.50x = 7,319.37 × 1,759.77
  4. Step 4: Simplify right side
    4,879.50x = 12,880,407.74
  5. Step 5: Solve for x
    x = 12,880,407.74/4,879.50
  6. Step 6: Final answer
    x = 2,639.70

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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.