Home / 4,880.45-6,735.04-2,642.31

Finding the Fourth Proportional to 4,880.45, 6,735.04 and 2,642.31

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Solution

The fourth proportional to 4,880.45, 6,735.04 and 2,642.31 is: 3,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.45 : 6,735.04 = 2,642.31 : x
  2. Step 2: Convert to fraction form
    4,880.45/6,735.04 = 2,642.31/x
  3. Step 3: Cross multiply
    4,880.45x = 6,735.04 × 2,642.31
  4. Step 4: Simplify right side
    4,880.45x = 17,796,056.94
  5. Step 5: Solve for x
    x = 17,796,056.94/4,880.45
  6. Step 6: Final answer
    x = 3,646.39

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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.