Home / 4,426.20-6,638.23-1,959.65

Finding the Fourth Proportional to 4,426.20, 6,638.23 and 1,959.65

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Solution

The fourth proportional to 4,426.20, 6,638.23 and 1,959.65 is: 2,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.20 : 6,638.23 = 1,959.65 : x
  2. Step 2: Convert to fraction form
    4,426.20/6,638.23 = 1,959.65/x
  3. Step 3: Cross multiply
    4,426.20x = 6,638.23 × 1,959.65
  4. Step 4: Simplify right side
    4,426.20x = 13,008,607.42
  5. Step 5: Solve for x
    x = 13,008,607.42/4,426.20
  6. Step 6: Final answer
    x = 2,939.00

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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.