Home / 8,328.04-12,484.74-3,137.56

Finding the Fourth Proportional to 8,328.04, 12,484.74 and 3,137.56

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Solution

The fourth proportional to 8,328.04, 12,484.74 and 3,137.56 is: 4,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.04 : 12,484.74 = 3,137.56 : x
  2. Step 2: Convert to fraction form
    8,328.04/12,484.74 = 3,137.56/x
  3. Step 3: Cross multiply
    8,328.04x = 12,484.74 × 3,137.56
  4. Step 4: Simplify right side
    8,328.04x = 39,171,620.83
  5. Step 5: Solve for x
    x = 39,171,620.83/8,328.04
  6. Step 6: Final answer
    x = 4,703.58

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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.