Home / 7,966.12-11,950.86-2,420.08

Finding the Fourth Proportional to 7,966.12, 11,950.86 and 2,420.08

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Solution

The fourth proportional to 7,966.12, 11,950.86 and 2,420.08 is: 3,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.12 : 11,950.86 = 2,420.08 : x
  2. Step 2: Convert to fraction form
    7,966.12/11,950.86 = 2,420.08/x
  3. Step 3: Cross multiply
    7,966.12x = 11,950.86 × 2,420.08
  4. Step 4: Simplify right side
    7,966.12x = 28,922,037.27
  5. Step 5: Solve for x
    x = 28,922,037.27/7,966.12
  6. Step 6: Final answer
    x = 3,630.63

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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.