Home / 8,816.04-12,164.85-5,278.50

Finding the Fourth Proportional to 8,816.04, 12,164.85 and 5,278.50

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Solution

The fourth proportional to 8,816.04, 12,164.85 and 5,278.50 is: 7,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.04 : 12,164.85 = 5,278.50 : x
  2. Step 2: Convert to fraction form
    8,816.04/12,164.85 = 5,278.50/x
  3. Step 3: Cross multiply
    8,816.04x = 12,164.85 × 5,278.50
  4. Step 4: Simplify right side
    8,816.04x = 64,212,160.73
  5. Step 5: Solve for x
    x = 64,212,160.73/8,816.04
  6. Step 6: Final answer
    x = 7,283.56

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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.