Home / 8,205.81-12,308.60-5,566.75

Finding the Fourth Proportional to 8,205.81, 12,308.60 and 5,566.75

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Solution

The fourth proportional to 8,205.81, 12,308.60 and 5,566.75 is: 8,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.81 : 12,308.60 = 5,566.75 : x
  2. Step 2: Convert to fraction form
    8,205.81/12,308.60 = 5,566.75/x
  3. Step 3: Cross multiply
    8,205.81x = 12,308.60 × 5,566.75
  4. Step 4: Simplify right side
    8,205.81x = 68,518,877.67
  5. Step 5: Solve for x
    x = 68,518,877.67/8,205.81
  6. Step 6: Final answer
    x = 8,350.05

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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.