Home / 4,751.29-7,127.51-1,979.83

Finding the Fourth Proportional to 4,751.29, 7,127.51 and 1,979.83

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Solution

The fourth proportional to 4,751.29, 7,127.51 and 1,979.83 is: 2,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.29 : 7,127.51 = 1,979.83 : x
  2. Step 2: Convert to fraction form
    4,751.29/7,127.51 = 1,979.83/x
  3. Step 3: Cross multiply
    4,751.29x = 7,127.51 × 1,979.83
  4. Step 4: Simplify right side
    4,751.29x = 14,111,258.12
  5. Step 5: Solve for x
    x = 14,111,258.12/4,751.29
  6. Step 6: Final answer
    x = 2,969.98

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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.