Home / 4,754.14-7,132.43-1,979.89

Finding the Fourth Proportional to 4,754.14, 7,132.43 and 1,979.89

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Solution

The fourth proportional to 4,754.14, 7,132.43 and 1,979.89 is: 2,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.14 : 7,132.43 = 1,979.89 : x
  2. Step 2: Convert to fraction form
    4,754.14/7,132.43 = 1,979.89/x
  3. Step 3: Cross multiply
    4,754.14x = 7,132.43 × 1,979.89
  4. Step 4: Simplify right side
    4,754.14x = 14,121,426.83
  5. Step 5: Solve for x
    x = 14,121,426.83/4,754.14
  6. Step 6: Final answer
    x = 2,970.34

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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.