Home / 6,288.60-8,678.44-4,054.80

Finding the Fourth Proportional to 6,288.60, 8,678.44 and 4,054.80

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Solution

The fourth proportional to 6,288.60, 8,678.44 and 4,054.80 is: 5,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.60 : 8,678.44 = 4,054.80 : x
  2. Step 2: Convert to fraction form
    6,288.60/8,678.44 = 4,054.80/x
  3. Step 3: Cross multiply
    6,288.60x = 8,678.44 × 4,054.80
  4. Step 4: Simplify right side
    6,288.60x = 35,189,338.51
  5. Step 5: Solve for x
    x = 35,189,338.51/6,288.60
  6. Step 6: Final answer
    x = 5,595.73

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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.