Home / 5,518.22-7,613.03-3,528.45

Finding the Fourth Proportional to 5,518.22, 7,613.03 and 3,528.45

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Solution

The fourth proportional to 5,518.22, 7,613.03 and 3,528.45 is: 4,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.22 : 7,613.03 = 3,528.45 : x
  2. Step 2: Convert to fraction form
    5,518.22/7,613.03 = 3,528.45/x
  3. Step 3: Cross multiply
    5,518.22x = 7,613.03 × 3,528.45
  4. Step 4: Simplify right side
    5,518.22x = 26,862,178.06
  5. Step 5: Solve for x
    x = 26,862,178.06/5,518.22
  6. Step 6: Final answer
    x = 4,867.91

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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.