Home / 5,365.63-7,403.87-3,127.90

Finding the Fourth Proportional to 5,365.63, 7,403.87 and 3,127.90

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Solution

The fourth proportional to 5,365.63, 7,403.87 and 3,127.90 is: 4,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.63 : 7,403.87 = 3,127.90 : x
  2. Step 2: Convert to fraction form
    5,365.63/7,403.87 = 3,127.90/x
  3. Step 3: Cross multiply
    5,365.63x = 7,403.87 × 3,127.90
  4. Step 4: Simplify right side
    5,365.63x = 23,158,564.97
  5. Step 5: Solve for x
    x = 23,158,564.97/5,365.63
  6. Step 6: Final answer
    x = 4,316.09

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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.