Home / 8,682.32-11,981.55-4,703.43

Finding the Fourth Proportional to 8,682.32, 11,981.55 and 4,703.43

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Solution

The fourth proportional to 8,682.32, 11,981.55 and 4,703.43 is: 6,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.32 : 11,981.55 = 4,703.43 : x
  2. Step 2: Convert to fraction form
    8,682.32/11,981.55 = 4,703.43/x
  3. Step 3: Cross multiply
    8,682.32x = 11,981.55 × 4,703.43
  4. Step 4: Simplify right side
    8,682.32x = 56,354,444.29
  5. Step 5: Solve for x
    x = 56,354,444.29/8,682.32
  6. Step 6: Final answer
    x = 6,490.71

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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.