Home / 4,304.28-6,455.01-1,381.89

Finding the Fourth Proportional to 4,304.28, 6,455.01 and 1,381.89

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Solution

The fourth proportional to 4,304.28, 6,455.01 and 1,381.89 is: 2,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304.28 : 6,455.01 = 1,381.89 : x
  2. Step 2: Convert to fraction form
    4,304.28/6,455.01 = 1,381.89/x
  3. Step 3: Cross multiply
    4,304.28x = 6,455.01 × 1,381.89
  4. Step 4: Simplify right side
    4,304.28x = 8,920,113.77
  5. Step 5: Solve for x
    x = 8,920,113.77/4,304.28
  6. Step 6: Final answer
    x = 2,072.38

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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.