Home / 7,351.64-10,145.32-3,994.52

Finding the Fourth Proportional to 7,351.64, 10,145.32 and 3,994.52

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Solution

The fourth proportional to 7,351.64, 10,145.32 and 3,994.52 is: 5,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.64 : 10,145.32 = 3,994.52 : x
  2. Step 2: Convert to fraction form
    7,351.64/10,145.32 = 3,994.52/x
  3. Step 3: Cross multiply
    7,351.64x = 10,145.32 × 3,994.52
  4. Step 4: Simplify right side
    7,351.64x = 40,525,683.65
  5. Step 5: Solve for x
    x = 40,525,683.65/7,351.64
  6. Step 6: Final answer
    x = 5,512.47

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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.