Home / 8,786.19-12,132.32-6,276.00

Finding the Fourth Proportional to 8,786.19, 12,132.32 and 6,276.00

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Solution

The fourth proportional to 8,786.19, 12,132.32 and 6,276.00 is: 8,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.19 : 12,132.32 = 6,276.00 : x
  2. Step 2: Convert to fraction form
    8,786.19/12,132.32 = 6,276.00/x
  3. Step 3: Cross multiply
    8,786.19x = 12,132.32 × 6,276.00
  4. Step 4: Simplify right side
    8,786.19x = 76,142,395.35
  5. Step 5: Solve for x
    x = 76,142,395.35/8,786.19
  6. Step 6: Final answer
    x = 8,666.15

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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.