Home / 7,322.40-10,983.50-1,775.79

Finding the Fourth Proportional to 7,322.40, 10,983.50 and 1,775.79

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Solution

The fourth proportional to 7,322.40, 10,983.50 and 1,775.79 is: 2,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.40 : 10,983.50 = 1,775.79 : x
  2. Step 2: Convert to fraction form
    7,322.40/10,983.50 = 1,775.79/x
  3. Step 3: Cross multiply
    7,322.40x = 10,983.50 × 1,775.79
  4. Step 4: Simplify right side
    7,322.40x = 19,504,387.25
  5. Step 5: Solve for x
    x = 19,504,387.25/7,322.40
  6. Step 6: Final answer
    x = 2,663.66

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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.