Home / 4,426.89-6,638.03-1,306.49

Finding the Fourth Proportional to 4,426.89, 6,638.03 and 1,306.49

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Solution

The fourth proportional to 4,426.89, 6,638.03 and 1,306.49 is: 1,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.89 : 6,638.03 = 1,306.49 : x
  2. Step 2: Convert to fraction form
    4,426.89/6,638.03 = 1,306.49/x
  3. Step 3: Cross multiply
    4,426.89x = 6,638.03 × 1,306.49
  4. Step 4: Simplify right side
    4,426.89x = 8,672,480.09
  5. Step 5: Solve for x
    x = 8,672,480.09/4,426.89
  6. Step 6: Final answer
    x = 1,959.05

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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.