Home / 6,381.36-9,572.40-2,485.44

Finding the Fourth Proportional to 6,381.36, 9,572.40 and 2,485.44

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Solution

The fourth proportional to 6,381.36, 9,572.40 and 2,485.44 is: 3,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.36 : 9,572.40 = 2,485.44 : x
  2. Step 2: Convert to fraction form
    6,381.36/9,572.40 = 2,485.44/x
  3. Step 3: Cross multiply
    6,381.36x = 9,572.40 × 2,485.44
  4. Step 4: Simplify right side
    6,381.36x = 23,791,625.86
  5. Step 5: Solve for x
    x = 23,791,625.86/6,381.36
  6. Step 6: Final answer
    x = 3,728.30

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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.