Home / 7,160.59-10,739.67-1,965.25

Finding the Fourth Proportional to 7,160.59, 10,739.67 and 1,965.25

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Solution

The fourth proportional to 7,160.59, 10,739.67 and 1,965.25 is: 2,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.59 : 10,739.67 = 1,965.25 : x
  2. Step 2: Convert to fraction form
    7,160.59/10,739.67 = 1,965.25/x
  3. Step 3: Cross multiply
    7,160.59x = 10,739.67 × 1,965.25
  4. Step 4: Simplify right side
    7,160.59x = 21,106,136.47
  5. Step 5: Solve for x
    x = 21,106,136.47/7,160.59
  6. Step 6: Final answer
    x = 2,947.54

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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.