Home / 7,968.06-11,953.98-2,421.72

Finding the Fourth Proportional to 7,968.06, 11,953.98 and 2,421.72

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Solution

The fourth proportional to 7,968.06, 11,953.98 and 2,421.72 is: 3,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.06 : 11,953.98 = 2,421.72 : x
  2. Step 2: Convert to fraction form
    7,968.06/11,953.98 = 2,421.72/x
  3. Step 3: Cross multiply
    7,968.06x = 11,953.98 × 2,421.72
  4. Step 4: Simplify right side
    7,968.06x = 28,949,192.45
  5. Step 5: Solve for x
    x = 28,949,192.45/7,968.06
  6. Step 6: Final answer
    x = 3,633.15

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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.