Home / 7,729.28-10,666.59-4,371.93

Finding the Fourth Proportional to 7,729.28, 10,666.59 and 4,371.93

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Solution

The fourth proportional to 7,729.28, 10,666.59 and 4,371.93 is: 6,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.28 : 10,666.59 = 4,371.93 : x
  2. Step 2: Convert to fraction form
    7,729.28/10,666.59 = 4,371.93/x
  3. Step 3: Cross multiply
    7,729.28x = 10,666.59 × 4,371.93
  4. Step 4: Simplify right side
    7,729.28x = 46,633,584.82
  5. Step 5: Solve for x
    x = 46,633,584.82/7,729.28
  6. Step 6: Final answer
    x = 6,033.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.