Home / 4,980.18-6,873.27-3,216.90

Finding the Fourth Proportional to 4,980.18, 6,873.27 and 3,216.90

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Solution

The fourth proportional to 4,980.18, 6,873.27 and 3,216.90 is: 4,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.18 : 6,873.27 = 3,216.90 : x
  2. Step 2: Convert to fraction form
    4,980.18/6,873.27 = 3,216.90/x
  3. Step 3: Cross multiply
    4,980.18x = 6,873.27 × 3,216.90
  4. Step 4: Simplify right side
    4,980.18x = 22,110,622.26
  5. Step 5: Solve for x
    x = 22,110,622.26/4,980.18
  6. Step 6: Final answer
    x = 4,439.72

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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.