Home / 4,976.56-6,867.52-2,880.64

Finding the Fourth Proportional to 4,976.56, 6,867.52 and 2,880.64

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Solution

The fourth proportional to 4,976.56, 6,867.52 and 2,880.64 is: 3,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.56 : 6,867.52 = 2,880.64 : x
  2. Step 2: Convert to fraction form
    4,976.56/6,867.52 = 2,880.64/x
  3. Step 3: Cross multiply
    4,976.56x = 6,867.52 × 2,880.64
  4. Step 4: Simplify right side
    4,976.56x = 19,782,852.81
  5. Step 5: Solve for x
    x = 19,782,852.81/4,976.56
  6. Step 6: Final answer
    x = 3,975.21

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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.