Home / 4,747.54-7,121.55-1,973.92

Finding the Fourth Proportional to 4,747.54, 7,121.55 and 1,973.92

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Solution

The fourth proportional to 4,747.54, 7,121.55 and 1,973.92 is: 2,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.54 : 7,121.55 = 1,973.92 : x
  2. Step 2: Convert to fraction form
    4,747.54/7,121.55 = 1,973.92/x
  3. Step 3: Cross multiply
    4,747.54x = 7,121.55 × 1,973.92
  4. Step 4: Simplify right side
    4,747.54x = 14,057,360.11
  5. Step 5: Solve for x
    x = 14,057,360.11/4,747.54
  6. Step 6: Final answer
    x = 2,960.98

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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.