Home / 5,531.44-7,630.47-3,291.72

Finding the Fourth Proportional to 5,531.44, 7,630.47 and 3,291.72

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Solution

The fourth proportional to 5,531.44, 7,630.47 and 3,291.72 is: 4,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.44 : 7,630.47 = 3,291.72 : x
  2. Step 2: Convert to fraction form
    5,531.44/7,630.47 = 3,291.72/x
  3. Step 3: Cross multiply
    5,531.44x = 7,630.47 × 3,291.72
  4. Step 4: Simplify right side
    5,531.44x = 25,117,370.71
  5. Step 5: Solve for x
    x = 25,117,370.71/5,531.44
  6. Step 6: Final answer
    x = 4,540.84

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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.