Home / 4,976.60-6,864.90-2,880.44

Finding the Fourth Proportional to 4,976.60, 6,864.90 and 2,880.44

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Solution

The fourth proportional to 4,976.60, 6,864.90 and 2,880.44 is: 3,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.60 : 6,864.90 = 2,880.44 : x
  2. Step 2: Convert to fraction form
    4,976.60/6,864.90 = 2,880.44/x
  3. Step 3: Cross multiply
    4,976.60x = 6,864.90 × 2,880.44
  4. Step 4: Simplify right side
    4,976.60x = 19,773,932.56
  5. Step 5: Solve for x
    x = 19,773,932.56/4,976.60
  6. Step 6: Final answer
    x = 3,973.38

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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.