Home / 5,639.90-8,461.67-2,353.93

Finding the Fourth Proportional to 5,639.90, 8,461.67 and 2,353.93

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Solution

The fourth proportional to 5,639.90, 8,461.67 and 2,353.93 is: 3,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.90 : 8,461.67 = 2,353.93 : x
  2. Step 2: Convert to fraction form
    5,639.90/8,461.67 = 2,353.93/x
  3. Step 3: Cross multiply
    5,639.90x = 8,461.67 × 2,353.93
  4. Step 4: Simplify right side
    5,639.90x = 19,918,145.94
  5. Step 5: Solve for x
    x = 19,918,145.94/5,639.90
  6. Step 6: Final answer
    x = 3,531.65

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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.