Home / 5,609.28-8,409.60-2,686.08

Finding the Fourth Proportional to 5,609.28, 8,409.60 and 2,686.08

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Solution

The fourth proportional to 5,609.28, 8,409.60 and 2,686.08 is: 4,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.28 : 8,409.60 = 2,686.08 : x
  2. Step 2: Convert to fraction form
    5,609.28/8,409.60 = 2,686.08/x
  3. Step 3: Cross multiply
    5,609.28x = 8,409.60 × 2,686.08
  4. Step 4: Simplify right side
    5,609.28x = 22,588,858.37
  5. Step 5: Solve for x
    x = 22,588,858.37/5,609.28
  6. Step 6: Final answer
    x = 4,027.05

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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.