Home / 4,879.08-6,730.80-4,690.48

Finding the Fourth Proportional to 4,879.08, 6,730.80 and 4,690.48

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Solution

The fourth proportional to 4,879.08, 6,730.80 and 4,690.48 is: 6,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.08 : 6,730.80 = 4,690.48 : x
  2. Step 2: Convert to fraction form
    4,879.08/6,730.80 = 4,690.48/x
  3. Step 3: Cross multiply
    4,879.08x = 6,730.80 × 4,690.48
  4. Step 4: Simplify right side
    4,879.08x = 31,570,682.78
  5. Step 5: Solve for x
    x = 31,570,682.78/4,879.08
  6. Step 6: Final answer
    x = 6,470.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.