Home / 5,740.61-8,603.69-2,619.68

Finding the Fourth Proportional to 5,740.61, 8,603.69 and 2,619.68

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Solution

The fourth proportional to 5,740.61, 8,603.69 and 2,619.68 is: 3,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.61 : 8,603.69 = 2,619.68 : x
  2. Step 2: Convert to fraction form
    5,740.61/8,603.69 = 2,619.68/x
  3. Step 3: Cross multiply
    5,740.61x = 8,603.69 × 2,619.68
  4. Step 4: Simplify right side
    5,740.61x = 22,538,858.50
  5. Step 5: Solve for x
    x = 22,538,858.50/5,740.61
  6. Step 6: Final answer
    x = 3,926.22

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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.