Home / 4,975.92-6,866.37-2,880.18

Finding the Fourth Proportional to 4,975.92, 6,866.37 and 2,880.18

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Solution

The fourth proportional to 4,975.92, 6,866.37 and 2,880.18 is: 3,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.92 : 6,866.37 = 2,880.18 : x
  2. Step 2: Convert to fraction form
    4,975.92/6,866.37 = 2,880.18/x
  3. Step 3: Cross multiply
    4,975.92x = 6,866.37 × 2,880.18
  4. Step 4: Simplify right side
    4,975.92x = 19,776,381.55
  5. Step 5: Solve for x
    x = 19,776,381.55/4,975.92
  6. Step 6: Final answer
    x = 3,974.42

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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.