Home / 7,717.34-11,577.83-2,718.96

Finding the Fourth Proportional to 7,717.34, 11,577.83 and 2,718.96

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Solution

The fourth proportional to 7,717.34, 11,577.83 and 2,718.96 is: 4,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.34 : 11,577.83 = 2,718.96 : x
  2. Step 2: Convert to fraction form
    7,717.34/11,577.83 = 2,718.96/x
  3. Step 3: Cross multiply
    7,717.34x = 11,577.83 × 2,718.96
  4. Step 4: Simplify right side
    7,717.34x = 31,479,643.06
  5. Step 5: Solve for x
    x = 31,479,643.06/7,717.34
  6. Step 6: Final answer
    x = 4,079.08

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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.