Home / 8,682.17-11,981.39-4,703.29

Finding the Fourth Proportional to 8,682.17, 11,981.39 and 4,703.29

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Solution

The fourth proportional to 8,682.17, 11,981.39 and 4,703.29 is: 6,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.17 : 11,981.39 = 4,703.29 : x
  2. Step 2: Convert to fraction form
    8,682.17/11,981.39 = 4,703.29/x
  3. Step 3: Cross multiply
    8,682.17x = 11,981.39 × 4,703.29
  4. Step 4: Simplify right side
    8,682.17x = 56,351,868.35
  5. Step 5: Solve for x
    x = 56,351,868.35/8,682.17
  6. Step 6: Final answer
    x = 6,490.53

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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.