Home / 5,430.48-8,147.28-1,733.28

Finding the Fourth Proportional to 5,430.48, 8,147.28 and 1,733.28

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Solution

The fourth proportional to 5,430.48, 8,147.28 and 1,733.28 is: 2,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.48 : 8,147.28 = 1,733.28 : x
  2. Step 2: Convert to fraction form
    5,430.48/8,147.28 = 1,733.28/x
  3. Step 3: Cross multiply
    5,430.48x = 8,147.28 × 1,733.28
  4. Step 4: Simplify right side
    5,430.48x = 14,121,517.48
  5. Step 5: Solve for x
    x = 14,121,517.48/5,430.48
  6. Step 6: Final answer
    x = 2,600.42

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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.