Home / 5,518.06-7,615.29-3,630.22

Finding the Fourth Proportional to 5,518.06, 7,615.29 and 3,630.22

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Solution

The fourth proportional to 5,518.06, 7,615.29 and 3,630.22 is: 5,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.06 : 7,615.29 = 3,630.22 : x
  2. Step 2: Convert to fraction form
    5,518.06/7,615.29 = 3,630.22/x
  3. Step 3: Cross multiply
    5,518.06x = 7,615.29 × 3,630.22
  4. Step 4: Simplify right side
    5,518.06x = 27,645,178.06
  5. Step 5: Solve for x
    x = 27,645,178.06/5,518.06
  6. Step 6: Final answer
    x = 5,009.95

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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.