Home / 8,786.49-12,125.57-4,808.00

Finding the Fourth Proportional to 8,786.49, 12,125.57 and 4,808.00

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Solution

The fourth proportional to 8,786.49, 12,125.57 and 4,808.00 is: 6,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.49 : 12,125.57 = 4,808.00 : x
  2. Step 2: Convert to fraction form
    8,786.49/12,125.57 = 4,808.00/x
  3. Step 3: Cross multiply
    8,786.49x = 12,125.57 × 4,808.00
  4. Step 4: Simplify right side
    8,786.49x = 58,299,655.89
  5. Step 5: Solve for x
    x = 58,299,655.89/8,786.49
  6. Step 6: Final answer
    x = 6,635.15

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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.