Home / 4,880.46-7,321.60-1,718.22

Finding the Fourth Proportional to 4,880.46, 7,321.60 and 1,718.22

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Solution

The fourth proportional to 4,880.46, 7,321.60 and 1,718.22 is: 2,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.46 : 7,321.60 = 1,718.22 : x
  2. Step 2: Convert to fraction form
    4,880.46/7,321.60 = 1,718.22/x
  3. Step 3: Cross multiply
    4,880.46x = 7,321.60 × 1,718.22
  4. Step 4: Simplify right side
    4,880.46x = 12,580,119.55
  5. Step 5: Solve for x
    x = 12,580,119.55/4,880.46
  6. Step 6: Final answer
    x = 2,577.65

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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.