Home / 8,056.80-11,112.93-6,564.78

Finding the Fourth Proportional to 8,056.80, 11,112.93 and 6,564.78

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Solution

The fourth proportional to 8,056.80, 11,112.93 and 6,564.78 is: 9,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.80 : 11,112.93 = 6,564.78 : x
  2. Step 2: Convert to fraction form
    8,056.80/11,112.93 = 6,564.78/x
  3. Step 3: Cross multiply
    8,056.80x = 11,112.93 × 6,564.78
  4. Step 4: Simplify right side
    8,056.80x = 72,953,940.61
  5. Step 5: Solve for x
    x = 72,953,940.61/8,056.80
  6. Step 6: Final answer
    x = 9,054.95

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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.