Home / 8,484.48-12,721.68-3,485.37

Finding the Fourth Proportional to 8,484.48, 12,721.68 and 3,485.37

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Solution

The fourth proportional to 8,484.48, 12,721.68 and 3,485.37 is: 5,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.48 : 12,721.68 = 3,485.37 : x
  2. Step 2: Convert to fraction form
    8,484.48/12,721.68 = 3,485.37/x
  3. Step 3: Cross multiply
    8,484.48x = 12,721.68 × 3,485.37
  4. Step 4: Simplify right side
    8,484.48x = 44,339,761.82
  5. Step 5: Solve for x
    x = 44,339,761.82/8,484.48
  6. Step 6: Final answer
    x = 5,225.98

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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.