Home / 7,633.81-11,448.98-2,087.61

Finding the Fourth Proportional to 7,633.81, 11,448.98 and 2,087.61

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Solution

The fourth proportional to 7,633.81, 11,448.98 and 2,087.61 is: 3,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.81 : 11,448.98 = 2,087.61 : x
  2. Step 2: Convert to fraction form
    7,633.81/11,448.98 = 2,087.61/x
  3. Step 3: Cross multiply
    7,633.81x = 11,448.98 × 2,087.61
  4. Step 4: Simplify right side
    7,633.81x = 23,900,959.59
  5. Step 5: Solve for x
    x = 23,900,959.59/7,633.81
  6. Step 6: Final answer
    x = 3,130.93

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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.