Home / 5,603.63-8,406.05-2,140.88

Finding the Fourth Proportional to 5,603.63, 8,406.05 and 2,140.88

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Solution

The fourth proportional to 5,603.63, 8,406.05 and 2,140.88 is: 3,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.63 : 8,406.05 = 2,140.88 : x
  2. Step 2: Convert to fraction form
    5,603.63/8,406.05 = 2,140.88/x
  3. Step 3: Cross multiply
    5,603.63x = 8,406.05 × 2,140.88
  4. Step 4: Simplify right side
    5,603.63x = 17,996,291.59
  5. Step 5: Solve for x
    x = 17,996,291.59/5,603.63
  6. Step 6: Final answer
    x = 3,211.54

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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.