Home / 8,448.72-12,669.40-2,604

Finding the Fourth Proportional to 8,448.72, 12,669.40 and 2,604

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Solution

The fourth proportional to 8,448.72, 12,669.40 and 2,604 is: 3,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.72 : 12,669.40 = 2,604 : x
  2. Step 2: Convert to fraction form
    8,448.72/12,669.40 = 2,604/x
  3. Step 3: Cross multiply
    8,448.72x = 12,669.40 × 2,604
  4. Step 4: Simplify right side
    8,448.72x = 32,991,117.60
  5. Step 5: Solve for x
    x = 32,991,117.60/8,448.72
  6. Step 6: Final answer
    x = 3,904.87

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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.