Home / 5,072.40-7,603.62-2,439.18

Finding the Fourth Proportional to 5,072.40, 7,603.62 and 2,439.18

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Solution

The fourth proportional to 5,072.40, 7,603.62 and 2,439.18 is: 3,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.40 : 7,603.62 = 2,439.18 : x
  2. Step 2: Convert to fraction form
    5,072.40/7,603.62 = 2,439.18/x
  3. Step 3: Cross multiply
    5,072.40x = 7,603.62 × 2,439.18
  4. Step 4: Simplify right side
    5,072.40x = 18,546,597.83
  5. Step 5: Solve for x
    x = 18,546,597.83/5,072.40
  6. Step 6: Final answer
    x = 3,656.38

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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.