Home / 8,866.12-13,278.66-4,415.68

Finding the Fourth Proportional to 8,866.12, 13,278.66 and 4,415.68

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Solution

The fourth proportional to 8,866.12, 13,278.66 and 4,415.68 is: 6,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.12 : 13,278.66 = 4,415.68 : x
  2. Step 2: Convert to fraction form
    8,866.12/13,278.66 = 4,415.68/x
  3. Step 3: Cross multiply
    8,866.12x = 13,278.66 × 4,415.68
  4. Step 4: Simplify right side
    8,866.12x = 58,634,313.39
  5. Step 5: Solve for x
    x = 58,634,313.39/8,866.12
  6. Step 6: Final answer
    x = 6,613.30

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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.