Home / 5,513.88-7,609.63-3,030.36

Finding the Fourth Proportional to 5,513.88, 7,609.63 and 3,030.36

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Solution

The fourth proportional to 5,513.88, 7,609.63 and 3,030.36 is: 4,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.88 : 7,609.63 = 3,030.36 : x
  2. Step 2: Convert to fraction form
    5,513.88/7,609.63 = 3,030.36/x
  3. Step 3: Cross multiply
    5,513.88x = 7,609.63 × 3,030.36
  4. Step 4: Simplify right side
    5,513.88x = 23,059,918.37
  5. Step 5: Solve for x
    x = 23,059,918.37/5,513.88
  6. Step 6: Final answer
    x = 4,182.16

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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.