Home / 4,969.79-7,454.23-1,271.94

Finding the Fourth Proportional to 4,969.79, 7,454.23 and 1,271.94

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Solution

The fourth proportional to 4,969.79, 7,454.23 and 1,271.94 is: 1,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.79 : 7,454.23 = 1,271.94 : x
  2. Step 2: Convert to fraction form
    4,969.79/7,454.23 = 1,271.94/x
  3. Step 3: Cross multiply
    4,969.79x = 7,454.23 × 1,271.94
  4. Step 4: Simplify right side
    4,969.79x = 9,481,302.17
  5. Step 5: Solve for x
    x = 9,481,302.17/4,969.79
  6. Step 6: Final answer
    x = 1,907.79

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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.