Home / 4,975.50-6,866.19-2,880.84

Finding the Fourth Proportional to 4,975.50, 6,866.19 and 2,880.84

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Solution

The fourth proportional to 4,975.50, 6,866.19 and 2,880.84 is: 3,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.50 : 6,866.19 = 2,880.84 : x
  2. Step 2: Convert to fraction form
    4,975.50/6,866.19 = 2,880.84/x
  3. Step 3: Cross multiply
    4,975.50x = 6,866.19 × 2,880.84
  4. Step 4: Simplify right side
    4,975.50x = 19,780,394.80
  5. Step 5: Solve for x
    x = 19,780,394.80/4,975.50
  6. Step 6: Final answer
    x = 3,975.56

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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.