Home / 5,639.94-7,774.11-4,443.03

Finding the Fourth Proportional to 5,639.94, 7,774.11 and 4,443.03

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Solution

The fourth proportional to 5,639.94, 7,774.11 and 4,443.03 is: 6,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.94 : 7,774.11 = 4,443.03 : x
  2. Step 2: Convert to fraction form
    5,639.94/7,774.11 = 4,443.03/x
  3. Step 3: Cross multiply
    5,639.94x = 7,774.11 × 4,443.03
  4. Step 4: Simplify right side
    5,639.94x = 34,540,603.95
  5. Step 5: Solve for x
    x = 34,540,603.95/5,639.94
  6. Step 6: Final answer
    x = 6,124.29

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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.