Home / 8,860.20-12,228.75-5,504.37

Finding the Fourth Proportional to 8,860.20, 12,228.75 and 5,504.37

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Solution

The fourth proportional to 8,860.20, 12,228.75 and 5,504.37 is: 7,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.20 : 12,228.75 = 5,504.37 : x
  2. Step 2: Convert to fraction form
    8,860.20/12,228.75 = 5,504.37/x
  3. Step 3: Cross multiply
    8,860.20x = 12,228.75 × 5,504.37
  4. Step 4: Simplify right side
    8,860.20x = 67,311,564.64
  5. Step 5: Solve for x
    x = 67,311,564.64/8,860.20
  6. Step 6: Final answer
    x = 7,597.07

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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.