Home / 4,451.76-6,141.36-2,880.36

Finding the Fourth Proportional to 4,451.76, 6,141.36 and 2,880.36

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Solution

The fourth proportional to 4,451.76, 6,141.36 and 2,880.36 is: 3,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.76 : 6,141.36 = 2,880.36 : x
  2. Step 2: Convert to fraction form
    4,451.76/6,141.36 = 2,880.36/x
  3. Step 3: Cross multiply
    4,451.76x = 6,141.36 × 2,880.36
  4. Step 4: Simplify right side
    4,451.76x = 17,689,327.69
  5. Step 5: Solve for x
    x = 17,689,327.69/4,451.76
  6. Step 6: Final answer
    x = 3,973.56

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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.