Home / 8,126.84-11,215.05-4,400.84

Finding the Fourth Proportional to 8,126.84, 11,215.05 and 4,400.84

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Solution

The fourth proportional to 8,126.84, 11,215.05 and 4,400.84 is: 6,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.84 : 11,215.05 = 4,400.84 : x
  2. Step 2: Convert to fraction form
    8,126.84/11,215.05 = 4,400.84/x
  3. Step 3: Cross multiply
    8,126.84x = 11,215.05 × 4,400.84
  4. Step 4: Simplify right side
    8,126.84x = 49,355,666.20
  5. Step 5: Solve for x
    x = 49,355,666.20/8,126.84
  6. Step 6: Final answer
    x = 6,073.17

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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.