Home / 8,682.29-11,981.54-4,703.50

Finding the Fourth Proportional to 8,682.29, 11,981.54 and 4,703.50

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Solution

The fourth proportional to 8,682.29, 11,981.54 and 4,703.50 is: 6,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.29 : 11,981.54 = 4,703.50 : x
  2. Step 2: Convert to fraction form
    8,682.29/11,981.54 = 4,703.50/x
  3. Step 3: Cross multiply
    8,682.29x = 11,981.54 × 4,703.50
  4. Step 4: Simplify right side
    8,682.29x = 56,355,089.96
  5. Step 5: Solve for x
    x = 56,355,089.96/8,682.29
  6. Step 6: Final answer
    x = 6,490.81

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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.