Home / 4,976.56-6,866.13-2,880.28

Finding the Fourth Proportional to 4,976.56, 6,866.13 and 2,880.28

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Solution

The fourth proportional to 4,976.56, 6,866.13 and 2,880.28 is: 3,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.56 : 6,866.13 = 2,880.28 : x
  2. Step 2: Convert to fraction form
    4,976.56/6,866.13 = 2,880.28/x
  3. Step 3: Cross multiply
    4,976.56x = 6,866.13 × 2,880.28
  4. Step 4: Simplify right side
    4,976.56x = 19,776,376.92
  5. Step 5: Solve for x
    x = 19,776,376.92/4,976.56
  6. Step 6: Final answer
    x = 3,973.91

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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.