Home / 5,293.96-7,946.68-3,981.45

Finding the Fourth Proportional to 5,293.96, 7,946.68 and 3,981.45

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Solution

The fourth proportional to 5,293.96, 7,946.68 and 3,981.45 is: 5,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.96 : 7,946.68 = 3,981.45 : x
  2. Step 2: Convert to fraction form
    5,293.96/7,946.68 = 3,981.45/x
  3. Step 3: Cross multiply
    5,293.96x = 7,946.68 × 3,981.45
  4. Step 4: Simplify right side
    5,293.96x = 31,639,347.60
  5. Step 5: Solve for x
    x = 31,639,347.60/5,293.96
  6. Step 6: Final answer
    x = 5,976.50

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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.