Home / 5,530.40-7,632.12-3,012.60

Finding the Fourth Proportional to 5,530.40, 7,632.12 and 3,012.60

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Solution

The fourth proportional to 5,530.40, 7,632.12 and 3,012.60 is: 4,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.40 : 7,632.12 = 3,012.60 : x
  2. Step 2: Convert to fraction form
    5,530.40/7,632.12 = 3,012.60/x
  3. Step 3: Cross multiply
    5,530.40x = 7,632.12 × 3,012.60
  4. Step 4: Simplify right side
    5,530.40x = 22,992,524.71
  5. Step 5: Solve for x
    x = 22,992,524.71/5,530.40
  6. Step 6: Final answer
    x = 4,157.48

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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.