Home / 5,430.89-8,147.55-1,733.33

Finding the Fourth Proportional to 5,430.89, 8,147.55 and 1,733.33

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Solution

The fourth proportional to 5,430.89, 8,147.55 and 1,733.33 is: 2,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.89 : 8,147.55 = 1,733.33 : x
  2. Step 2: Convert to fraction form
    5,430.89/8,147.55 = 1,733.33/x
  3. Step 3: Cross multiply
    5,430.89x = 8,147.55 × 1,733.33
  4. Step 4: Simplify right side
    5,430.89x = 14,122,392.84
  5. Step 5: Solve for x
    x = 14,122,392.84/5,430.89
  6. Step 6: Final answer
    x = 2,600.38

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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.