Home / 5,430.69-7,494.38-3,073.32

Finding the Fourth Proportional to 5,430.69, 7,494.38 and 3,073.32

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Solution

The fourth proportional to 5,430.69, 7,494.38 and 3,073.32 is: 4,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.69 : 7,494.38 = 3,073.32 : x
  2. Step 2: Convert to fraction form
    5,430.69/7,494.38 = 3,073.32/x
  3. Step 3: Cross multiply
    5,430.69x = 7,494.38 × 3,073.32
  4. Step 4: Simplify right side
    5,430.69x = 23,032,627.94
  5. Step 5: Solve for x
    x = 23,032,627.94/5,430.69
  6. Step 6: Final answer
    x = 4,241.20

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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.