Home / 7,455.61-11,185.86-3,559.51

Finding the Fourth Proportional to 7,455.61, 11,185.86 and 3,559.51

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Solution

The fourth proportional to 7,455.61, 11,185.86 and 3,559.51 is: 5,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.61 : 11,185.86 = 3,559.51 : x
  2. Step 2: Convert to fraction form
    7,455.61/11,185.86 = 3,559.51/x
  3. Step 3: Cross multiply
    7,455.61x = 11,185.86 × 3,559.51
  4. Step 4: Simplify right side
    7,455.61x = 39,816,180.53
  5. Step 5: Solve for x
    x = 39,816,180.53/7,455.61
  6. Step 6: Final answer
    x = 5,340.43

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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.