Home / 5,430.52-8,144.40-2,308.80

Finding the Fourth Proportional to 5,430.52, 8,144.40 and 2,308.80

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Solution

The fourth proportional to 5,430.52, 8,144.40 and 2,308.80 is: 3,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.52 : 8,144.40 = 2,308.80 : x
  2. Step 2: Convert to fraction form
    5,430.52/8,144.40 = 2,308.80/x
  3. Step 3: Cross multiply
    5,430.52x = 8,144.40 × 2,308.80
  4. Step 4: Simplify right side
    5,430.52x = 18,803,790.72
  5. Step 5: Solve for x
    x = 18,803,790.72/5,430.52
  6. Step 6: Final answer
    x = 3,462.61

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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.