Home / 4,027.60-5,558-2,259.20

Finding the Fourth Proportional to 4,027.60, 5,558 and 2,259.20

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Solution

The fourth proportional to 4,027.60, 5,558 and 2,259.20 is: 3,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.60 : 5,558 = 2,259.20 : x
  2. Step 2: Convert to fraction form
    4,027.60/5,558 = 2,259.20/x
  3. Step 3: Cross multiply
    4,027.60x = 5,558 × 2,259.20
  4. Step 4: Simplify right side
    4,027.60x = 12,556,633.60
  5. Step 5: Solve for x
    x = 12,556,633.60/4,027.60
  6. Step 6: Final answer
    x = 3,117.65

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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.