Home / 7,876.41-11,816.45-2,682.28

Finding the Fourth Proportional to 7,876.41, 11,816.45 and 2,682.28

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Solution

The fourth proportional to 7,876.41, 11,816.45 and 2,682.28 is: 4,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.41 : 11,816.45 = 2,682.28 : x
  2. Step 2: Convert to fraction form
    7,876.41/11,816.45 = 2,682.28/x
  3. Step 3: Cross multiply
    7,876.41x = 11,816.45 × 2,682.28
  4. Step 4: Simplify right side
    7,876.41x = 31,695,038.92
  5. Step 5: Solve for x
    x = 31,695,038.92/7,876.41
  6. Step 6: Final answer
    x = 4,024.05

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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.