Home / 4,767.63-6,579.21-2,880.78

Finding the Fourth Proportional to 4,767.63, 6,579.21 and 2,880.78

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Solution

The fourth proportional to 4,767.63, 6,579.21 and 2,880.78 is: 3,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.63 : 6,579.21 = 2,880.78 : x
  2. Step 2: Convert to fraction form
    4,767.63/6,579.21 = 2,880.78/x
  3. Step 3: Cross multiply
    4,767.63x = 6,579.21 × 2,880.78
  4. Step 4: Simplify right side
    4,767.63x = 18,953,256.58
  5. Step 5: Solve for x
    x = 18,953,256.58/4,767.63
  6. Step 6: Final answer
    x = 3,975.40

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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.