Home / 8,860.34-13,288.68-4,178.33

Finding the Fourth Proportional to 8,860.34, 13,288.68 and 4,178.33

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Solution

The fourth proportional to 8,860.34, 13,288.68 and 4,178.33 is: 6,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.34 : 13,288.68 = 4,178.33 : x
  2. Step 2: Convert to fraction form
    8,860.34/13,288.68 = 4,178.33/x
  3. Step 3: Cross multiply
    8,860.34x = 13,288.68 × 4,178.33
  4. Step 4: Simplify right side
    8,860.34x = 55,524,560.19
  5. Step 5: Solve for x
    x = 55,524,560.19/8,860.34
  6. Step 6: Final answer
    x = 6,266.64

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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.