Home / 8,628.18-11,893.17-6,528.66

Finding the Fourth Proportional to 8,628.18, 11,893.17 and 6,528.66

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Solution

The fourth proportional to 8,628.18, 11,893.17 and 6,528.66 is: 8,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.18 : 11,893.17 = 6,528.66 : x
  2. Step 2: Convert to fraction form
    8,628.18/11,893.17 = 6,528.66/x
  3. Step 3: Cross multiply
    8,628.18x = 11,893.17 × 6,528.66
  4. Step 4: Simplify right side
    8,628.18x = 77,646,463.25
  5. Step 5: Solve for x
    x = 77,646,463.25/8,628.18
  6. Step 6: Final answer
    x = 8,999.17

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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.