Home / 6,220.98-9,331.62-1,603.98

Finding the Fourth Proportional to 6,220.98, 9,331.62 and 1,603.98

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Solution

The fourth proportional to 6,220.98, 9,331.62 and 1,603.98 is: 2,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.98 : 9,331.62 = 1,603.98 : x
  2. Step 2: Convert to fraction form
    6,220.98/9,331.62 = 1,603.98/x
  3. Step 3: Cross multiply
    6,220.98x = 9,331.62 × 1,603.98
  4. Step 4: Simplify right side
    6,220.98x = 14,967,731.85
  5. Step 5: Solve for x
    x = 14,967,731.85/6,220.98
  6. Step 6: Final answer
    x = 2,406.01

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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.