Home / 8,142.98-11,234.28-4,603.54

Finding the Fourth Proportional to 8,142.98, 11,234.28 and 4,603.54

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Solution

The fourth proportional to 8,142.98, 11,234.28 and 4,603.54 is: 6,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.98 : 11,234.28 = 4,603.54 : x
  2. Step 2: Convert to fraction form
    8,142.98/11,234.28 = 4,603.54/x
  3. Step 3: Cross multiply
    8,142.98x = 11,234.28 × 4,603.54
  4. Step 4: Simplify right side
    8,142.98x = 51,717,457.35
  5. Step 5: Solve for x
    x = 51,717,457.35/8,142.98
  6. Step 6: Final answer
    x = 6,351.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.