Home / 7,390.02-11,078.65-3,010.56

Finding the Fourth Proportional to 7,390.02, 11,078.65 and 3,010.56

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Solution

The fourth proportional to 7,390.02, 11,078.65 and 3,010.56 is: 4,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.02 : 11,078.65 = 3,010.56 : x
  2. Step 2: Convert to fraction form
    7,390.02/11,078.65 = 3,010.56/x
  3. Step 3: Cross multiply
    7,390.02x = 11,078.65 × 3,010.56
  4. Step 4: Simplify right side
    7,390.02x = 33,352,940.54
  5. Step 5: Solve for x
    x = 33,352,940.54/7,390.02
  6. Step 6: Final answer
    x = 4,513.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.