Home / 7,965.74-11,950.44-2,421.70

Finding the Fourth Proportional to 7,965.74, 11,950.44 and 2,421.70

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Solution

The fourth proportional to 7,965.74, 11,950.44 and 2,421.70 is: 3,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.74 : 11,950.44 = 2,421.70 : x
  2. Step 2: Convert to fraction form
    7,965.74/11,950.44 = 2,421.70/x
  3. Step 3: Cross multiply
    7,965.74x = 11,950.44 × 2,421.70
  4. Step 4: Simplify right side
    7,965.74x = 28,940,341.59
  5. Step 5: Solve for x
    x = 28,940,341.59/7,965.74
  6. Step 6: Final answer
    x = 3,633.10

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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.