Home / 8,505.10-12,757.65-3,573.10

Finding the Fourth Proportional to 8,505.10, 12,757.65 and 3,573.10

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Solution

The fourth proportional to 8,505.10, 12,757.65 and 3,573.10 is: 5,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.10 : 12,757.65 = 3,573.10 : x
  2. Step 2: Convert to fraction form
    8,505.10/12,757.65 = 3,573.10/x
  3. Step 3: Cross multiply
    8,505.10x = 12,757.65 × 3,573.10
  4. Step 4: Simplify right side
    8,505.10x = 45,584,359.22
  5. Step 5: Solve for x
    x = 45,584,359.22/8,505.10
  6. Step 6: Final answer
    x = 5,359.65

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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.