Home / 8,056.91-11,112.93-5,671.85

Finding the Fourth Proportional to 8,056.91, 11,112.93 and 5,671.85

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Solution

The fourth proportional to 8,056.91, 11,112.93 and 5,671.85 is: 7,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.91 : 11,112.93 = 5,671.85 : x
  2. Step 2: Convert to fraction form
    8,056.91/11,112.93 = 5,671.85/x
  3. Step 3: Cross multiply
    8,056.91x = 11,112.93 × 5,671.85
  4. Step 4: Simplify right side
    8,056.91x = 63,030,872.02
  5. Step 5: Solve for x
    x = 63,030,872.02/8,056.91
  6. Step 6: Final answer
    x = 7,823.21

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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.