Home / 8,657.49-12,975.98-3,973.56

Finding the Fourth Proportional to 8,657.49, 12,975.98 and 3,973.56

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Solution

The fourth proportional to 8,657.49, 12,975.98 and 3,973.56 is: 5,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.49 : 12,975.98 = 3,973.56 : x
  2. Step 2: Convert to fraction form
    8,657.49/12,975.98 = 3,973.56/x
  3. Step 3: Cross multiply
    8,657.49x = 12,975.98 × 3,973.56
  4. Step 4: Simplify right side
    8,657.49x = 51,560,835.09
  5. Step 5: Solve for x
    x = 51,560,835.09/8,657.49
  6. Step 6: Final answer
    x = 5,955.63

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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.