Home / 7,450.97-10,287.14-4,621.32

Finding the Fourth Proportional to 7,450.97, 10,287.14 and 4,621.32

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Solution

The fourth proportional to 7,450.97, 10,287.14 and 4,621.32 is: 6,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.97 : 10,287.14 = 4,621.32 : x
  2. Step 2: Convert to fraction form
    7,450.97/10,287.14 = 4,621.32/x
  3. Step 3: Cross multiply
    7,450.97x = 10,287.14 × 4,621.32
  4. Step 4: Simplify right side
    7,450.97x = 47,540,142.72
  5. Step 5: Solve for x
    x = 47,540,142.72/7,450.97
  6. Step 6: Final answer
    x = 6,380.40

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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.