Home / 5,513.63-7,608.81-3,029.63

Finding the Fourth Proportional to 5,513.63, 7,608.81 and 3,029.63

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Solution

The fourth proportional to 5,513.63, 7,608.81 and 3,029.63 is: 4,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.63 : 7,608.81 = 3,029.63 : x
  2. Step 2: Convert to fraction form
    5,513.63/7,608.81 = 3,029.63/x
  3. Step 3: Cross multiply
    5,513.63x = 7,608.81 × 3,029.63
  4. Step 4: Simplify right side
    5,513.63x = 23,051,841.00
  5. Step 5: Solve for x
    x = 23,051,841.00/5,513.63
  6. Step 6: Final answer
    x = 4,180.89

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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.