Home / 8,821.37-12,173.29-4,842.45

Finding the Fourth Proportional to 8,821.37, 12,173.29 and 4,842.45

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Solution

The fourth proportional to 8,821.37, 12,173.29 and 4,842.45 is: 6,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.37 : 12,173.29 = 4,842.45 : x
  2. Step 2: Convert to fraction form
    8,821.37/12,173.29 = 4,842.45/x
  3. Step 3: Cross multiply
    8,821.37x = 12,173.29 × 4,842.45
  4. Step 4: Simplify right side
    8,821.37x = 58,948,536.05
  5. Step 5: Solve for x
    x = 58,948,536.05/8,821.37
  6. Step 6: Final answer
    x = 6,682.47

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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.