Home / 4,747.14-7,121.25-1,973.45

Finding the Fourth Proportional to 4,747.14, 7,121.25 and 1,973.45

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Solution

The fourth proportional to 4,747.14, 7,121.25 and 1,973.45 is: 2,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.14 : 7,121.25 = 1,973.45 : x
  2. Step 2: Convert to fraction form
    4,747.14/7,121.25 = 1,973.45/x
  3. Step 3: Cross multiply
    4,747.14x = 7,121.25 × 1,973.45
  4. Step 4: Simplify right side
    4,747.14x = 14,053,448.62
  5. Step 5: Solve for x
    x = 14,053,448.62/4,747.14
  6. Step 6: Final answer
    x = 2,960.40

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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.