Home / 8,790.70-12,133.46-6,102.11

Finding the Fourth Proportional to 8,790.70, 12,133.46 and 6,102.11

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Solution

The fourth proportional to 8,790.70, 12,133.46 and 6,102.11 is: 8,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.70 : 12,133.46 = 6,102.11 : x
  2. Step 2: Convert to fraction form
    8,790.70/12,133.46 = 6,102.11/x
  3. Step 3: Cross multiply
    8,790.70x = 12,133.46 × 6,102.11
  4. Step 4: Simplify right side
    8,790.70x = 74,039,707.60
  5. Step 5: Solve for x
    x = 74,039,707.60/8,790.70
  6. Step 6: Final answer
    x = 8,422.50

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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.