Home / 8,289.69-12,417.25-3,675.93

Finding the Fourth Proportional to 8,289.69, 12,417.25 and 3,675.93

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Solution

The fourth proportional to 8,289.69, 12,417.25 and 3,675.93 is: 5,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.69 : 12,417.25 = 3,675.93 : x
  2. Step 2: Convert to fraction form
    8,289.69/12,417.25 = 3,675.93/x
  3. Step 3: Cross multiply
    8,289.69x = 12,417.25 × 3,675.93
  4. Step 4: Simplify right side
    8,289.69x = 45,644,941.79
  5. Step 5: Solve for x
    x = 45,644,941.79/8,289.69
  6. Step 6: Final answer
    x = 5,506.23

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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.