Home / 7,525.95-11,290.73-3,140.97

Finding the Fourth Proportional to 7,525.95, 11,290.73 and 3,140.97

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Solution

The fourth proportional to 7,525.95, 11,290.73 and 3,140.97 is: 4,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.95 : 11,290.73 = 3,140.97 : x
  2. Step 2: Convert to fraction form
    7,525.95/11,290.73 = 3,140.97/x
  3. Step 3: Cross multiply
    7,525.95x = 11,290.73 × 3,140.97
  4. Step 4: Simplify right side
    7,525.95x = 35,463,828.50
  5. Step 5: Solve for x
    x = 35,463,828.50/7,525.95
  6. Step 6: Final answer
    x = 4,712.21

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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.