Home / 9,090.02-12,542.90-5,313.54

Finding the Fourth Proportional to 9,090.02, 12,542.90 and 5,313.54

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Solution

The fourth proportional to 9,090.02, 12,542.90 and 5,313.54 is: 7,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.02 : 12,542.90 = 5,313.54 : x
  2. Step 2: Convert to fraction form
    9,090.02/12,542.90 = 5,313.54/x
  3. Step 3: Cross multiply
    9,090.02x = 12,542.90 × 5,313.54
  4. Step 4: Simplify right side
    9,090.02x = 66,647,200.87
  5. Step 5: Solve for x
    x = 66,647,200.87/9,090.02
  6. Step 6: Final answer
    x = 7,331.91

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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.