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Finding the Fourth Proportional to 8,056.42, 12,079.70 and 7,368.88

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Solution

The fourth proportional to 8,056.42, 12,079.70 and 7,368.88 is: 11,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.42 : 12,079.70 = 7,368.88 : x
  2. Step 2: Convert to fraction form
    8,056.42/12,079.70 = 7,368.88/x
  3. Step 3: Cross multiply
    8,056.42x = 12,079.70 × 7,368.88
  4. Step 4: Simplify right side
    8,056.42x = 89,013,859.74
  5. Step 5: Solve for x
    x = 89,013,859.74/8,056.42
  6. Step 6: Final answer
    x = 11,048.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.