Home / 7,249.95-10,004.31-4,224.60

Finding the Fourth Proportional to 7,249.95, 10,004.31 and 4,224.60

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Solution

The fourth proportional to 7,249.95, 10,004.31 and 4,224.60 is: 5,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.95 : 10,004.31 = 4,224.60 : x
  2. Step 2: Convert to fraction form
    7,249.95/10,004.31 = 4,224.60/x
  3. Step 3: Cross multiply
    7,249.95x = 10,004.31 × 4,224.60
  4. Step 4: Simplify right side
    7,249.95x = 42,264,208.03
  5. Step 5: Solve for x
    x = 42,264,208.03/7,249.95
  6. Step 6: Final answer
    x = 5,829.59

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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.