Home / 4,145.40-6,187.75-3,653.32

Finding the Fourth Proportional to 4,145.40, 6,187.75 and 3,653.32

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Solution

The fourth proportional to 4,145.40, 6,187.75 and 3,653.32 is: 5,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.40 : 6,187.75 = 3,653.32 : x
  2. Step 2: Convert to fraction form
    4,145.40/6,187.75 = 3,653.32/x
  3. Step 3: Cross multiply
    4,145.40x = 6,187.75 × 3,653.32
  4. Step 4: Simplify right side
    4,145.40x = 22,605,830.83
  5. Step 5: Solve for x
    x = 22,605,830.83/4,145.40
  6. Step 6: Final answer
    x = 5,453.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.