Home / 4,319.03-5,965.64-3,899.18

Finding the Fourth Proportional to 4,319.03, 5,965.64 and 3,899.18

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Solution

The fourth proportional to 4,319.03, 5,965.64 and 3,899.18 is: 5,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.03 : 5,965.64 = 3,899.18 : x
  2. Step 2: Convert to fraction form
    4,319.03/5,965.64 = 3,899.18/x
  3. Step 3: Cross multiply
    4,319.03x = 5,965.64 × 3,899.18
  4. Step 4: Simplify right side
    4,319.03x = 23,261,104.18
  5. Step 5: Solve for x
    x = 23,261,104.18/4,319.03
  6. Step 6: Final answer
    x = 5,385.72

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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.