Home / 8,370.24-12,558.69-3,750

Finding the Fourth Proportional to 8,370.24, 12,558.69 and 3,750

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Solution

The fourth proportional to 8,370.24, 12,558.69 and 3,750 is: 5,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.24 : 12,558.69 = 3,750 : x
  2. Step 2: Convert to fraction form
    8,370.24/12,558.69 = 3,750/x
  3. Step 3: Cross multiply
    8,370.24x = 12,558.69 × 3,750
  4. Step 4: Simplify right side
    8,370.24x = 47,095,087.50
  5. Step 5: Solve for x
    x = 47,095,087.50/8,370.24
  6. Step 6: Final answer
    x = 5,626.49

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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.