Home / 5,603.40-8,381.69-3,937.41

Finding the Fourth Proportional to 5,603.40, 8,381.69 and 3,937.41

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Solution

The fourth proportional to 5,603.40, 8,381.69 and 3,937.41 is: 5,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.40 : 8,381.69 = 3,937.41 : x
  2. Step 2: Convert to fraction form
    5,603.40/8,381.69 = 3,937.41/x
  3. Step 3: Cross multiply
    5,603.40x = 8,381.69 × 3,937.41
  4. Step 4: Simplify right side
    5,603.40x = 33,002,145.10
  5. Step 5: Solve for x
    x = 33,002,145.10/5,603.40
  6. Step 6: Final answer
    x = 5,889.66

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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.