Home / 5,397.03-7,447.37-3,981.48

Finding the Fourth Proportional to 5,397.03, 7,447.37 and 3,981.48

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Solution

The fourth proportional to 5,397.03, 7,447.37 and 3,981.48 is: 5,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.03 : 7,447.37 = 3,981.48 : x
  2. Step 2: Convert to fraction form
    5,397.03/7,447.37 = 3,981.48/x
  3. Step 3: Cross multiply
    5,397.03x = 7,447.37 × 3,981.48
  4. Step 4: Simplify right side
    5,397.03x = 29,651,539.02
  5. Step 5: Solve for x
    x = 29,651,539.02/5,397.03
  6. Step 6: Final answer
    x = 5,494.05

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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.