Home / 6,415.97-8,853.40-3,583.11

Finding the Fourth Proportional to 6,415.97, 8,853.40 and 3,583.11

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Solution

The fourth proportional to 6,415.97, 8,853.40 and 3,583.11 is: 4,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.97 : 8,853.40 = 3,583.11 : x
  2. Step 2: Convert to fraction form
    6,415.97/8,853.40 = 3,583.11/x
  3. Step 3: Cross multiply
    6,415.97x = 8,853.40 × 3,583.11
  4. Step 4: Simplify right side
    6,415.97x = 31,722,697.12
  5. Step 5: Solve for x
    x = 31,722,697.12/6,415.97
  6. Step 6: Final answer
    x = 4,944.34

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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.