Home / 4,719.31-6,512.15-2,804.88

Finding the Fourth Proportional to 4,719.31, 6,512.15 and 2,804.88

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Solution

The fourth proportional to 4,719.31, 6,512.15 and 2,804.88 is: 3,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.31 : 6,512.15 = 2,804.88 : x
  2. Step 2: Convert to fraction form
    4,719.31/6,512.15 = 2,804.88/x
  3. Step 3: Cross multiply
    4,719.31x = 6,512.15 × 2,804.88
  4. Step 4: Simplify right side
    4,719.31x = 18,265,778.32
  5. Step 5: Solve for x
    x = 18,265,778.32/4,719.31
  6. Step 6: Final answer
    x = 3,870.43

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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.