Home / 4,261.16-6,392.40-1,339.19

Finding the Fourth Proportional to 4,261.16, 6,392.40 and 1,339.19

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Solution

The fourth proportional to 4,261.16, 6,392.40 and 1,339.19 is: 2,008.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.16 : 6,392.40 = 1,339.19 : x
  2. Step 2: Convert to fraction form
    4,261.16/6,392.40 = 1,339.19/x
  3. Step 3: Cross multiply
    4,261.16x = 6,392.40 × 1,339.19
  4. Step 4: Simplify right side
    4,261.16x = 8,560,638.16
  5. Step 5: Solve for x
    x = 8,560,638.16/4,261.16
  6. Step 6: Final answer
    x = 2,008.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.