Home / 6,798.77-10,188.58-5,405.92

Finding the Fourth Proportional to 6,798.77, 10,188.58 and 5,405.92

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Solution

The fourth proportional to 6,798.77, 10,188.58 and 5,405.92 is: 8,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.77 : 10,188.58 = 5,405.92 : x
  2. Step 2: Convert to fraction form
    6,798.77/10,188.58 = 5,405.92/x
  3. Step 3: Cross multiply
    6,798.77x = 10,188.58 × 5,405.92
  4. Step 4: Simplify right side
    6,798.77x = 55,078,648.39
  5. Step 5: Solve for x
    x = 55,078,648.39/6,798.77
  6. Step 6: Final answer
    x = 8,101.27

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1.5x scale

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.