Home / 8,682.19-11,981.38-4,703.31

Finding the Fourth Proportional to 8,682.19, 11,981.38 and 4,703.31

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Solution

The fourth proportional to 8,682.19, 11,981.38 and 4,703.31 is: 6,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.19 : 11,981.38 = 4,703.31 : x
  2. Step 2: Convert to fraction form
    8,682.19/11,981.38 = 4,703.31/x
  3. Step 3: Cross multiply
    8,682.19x = 11,981.38 × 4,703.31
  4. Step 4: Simplify right side
    8,682.19x = 56,352,144.37
  5. Step 5: Solve for x
    x = 56,352,144.37/8,682.19
  6. Step 6: Final answer
    x = 6,490.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.