Home / 8,100.44-11,178.64-4,698.12

Finding the Fourth Proportional to 8,100.44, 11,178.64 and 4,698.12

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Solution

The fourth proportional to 8,100.44, 11,178.64 and 4,698.12 is: 6,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.44 : 11,178.64 = 4,698.12 : x
  2. Step 2: Convert to fraction form
    8,100.44/11,178.64 = 4,698.12/x
  3. Step 3: Cross multiply
    8,100.44x = 11,178.64 × 4,698.12
  4. Step 4: Simplify right side
    8,100.44x = 52,518,592.16
  5. Step 5: Solve for x
    x = 52,518,592.16/8,100.44
  6. Step 6: Final answer
    x = 6,483.42

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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.