Home / 4,743.96-7,117.38-1,971.92

Finding the Fourth Proportional to 4,743.96, 7,117.38 and 1,971.92

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Solution

The fourth proportional to 4,743.96, 7,117.38 and 1,971.92 is: 2,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.96 : 7,117.38 = 1,971.92 : x
  2. Step 2: Convert to fraction form
    4,743.96/7,117.38 = 1,971.92/x
  3. Step 3: Cross multiply
    4,743.96x = 7,117.38 × 1,971.92
  4. Step 4: Simplify right side
    4,743.96x = 14,034,868.38
  5. Step 5: Solve for x
    x = 14,034,868.38/4,743.96
  6. Step 6: Final answer
    x = 2,958.47

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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.