Home / 4,300.12-6,448.34-1,959.42

Finding the Fourth Proportional to 4,300.12, 6,448.34 and 1,959.42

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Solution

The fourth proportional to 4,300.12, 6,448.34 and 1,959.42 is: 2,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.12 : 6,448.34 = 1,959.42 : x
  2. Step 2: Convert to fraction form
    4,300.12/6,448.34 = 1,959.42/x
  3. Step 3: Cross multiply
    4,300.12x = 6,448.34 × 1,959.42
  4. Step 4: Simplify right side
    4,300.12x = 12,635,035.44
  5. Step 5: Solve for x
    x = 12,635,035.44/4,300.12
  6. Step 6: Final answer
    x = 2,938.30

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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.