Home / 7,680.51-11,526.05-2,682.91

Finding the Fourth Proportional to 7,680.51, 11,526.05 and 2,682.91

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Solution

The fourth proportional to 7,680.51, 11,526.05 and 2,682.91 is: 4,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.51 : 11,526.05 = 2,682.91 : x
  2. Step 2: Convert to fraction form
    7,680.51/11,526.05 = 2,682.91/x
  3. Step 3: Cross multiply
    7,680.51x = 11,526.05 × 2,682.91
  4. Step 4: Simplify right side
    7,680.51x = 30,923,354.81
  5. Step 5: Solve for x
    x = 30,923,354.81/7,680.51
  6. Step 6: Final answer
    x = 4,026.21

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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.