Home / 4,640.32-6,386.08-3,692.96

Finding the Fourth Proportional to 4,640.32, 6,386.08 and 3,692.96

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Solution

The fourth proportional to 4,640.32, 6,386.08 and 3,692.96 is: 5,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.32 : 6,386.08 = 3,692.96 : x
  2. Step 2: Convert to fraction form
    4,640.32/6,386.08 = 3,692.96/x
  3. Step 3: Cross multiply
    4,640.32x = 6,386.08 × 3,692.96
  4. Step 4: Simplify right side
    4,640.32x = 23,583,538.00
  5. Step 5: Solve for x
    x = 23,583,538.00/4,640.32
  6. Step 6: Final answer
    x = 5,082.31

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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.