Home / 4,638.09-6,396.83-4,077.36

Finding the Fourth Proportional to 4,638.09, 6,396.83 and 4,077.36

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Solution

The fourth proportional to 4,638.09, 6,396.83 and 4,077.36 is: 5,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.09 : 6,396.83 = 4,077.36 : x
  2. Step 2: Convert to fraction form
    4,638.09/6,396.83 = 4,077.36/x
  3. Step 3: Cross multiply
    4,638.09x = 6,396.83 × 4,077.36
  4. Step 4: Simplify right side
    4,638.09x = 26,082,178.77
  5. Step 5: Solve for x
    x = 26,082,178.77/4,638.09
  6. Step 6: Final answer
    x = 5,623.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.