Home / 8,116.58-11,199.93-4,579.45

Finding the Fourth Proportional to 8,116.58, 11,199.93 and 4,579.45

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Solution

The fourth proportional to 8,116.58, 11,199.93 and 4,579.45 is: 6,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.58 : 11,199.93 = 4,579.45 : x
  2. Step 2: Convert to fraction form
    8,116.58/11,199.93 = 4,579.45/x
  3. Step 3: Cross multiply
    8,116.58x = 11,199.93 × 4,579.45
  4. Step 4: Simplify right side
    8,116.58x = 51,289,519.44
  5. Step 5: Solve for x
    x = 51,289,519.44/8,116.58
  6. Step 6: Final answer
    x = 6,319.10

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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.