Home / 8,555.10-12,825.45-4,451.10

Finding the Fourth Proportional to 8,555.10, 12,825.45 and 4,451.10

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Solution

The fourth proportional to 8,555.10, 12,825.45 and 4,451.10 is: 6,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.10 : 12,825.45 = 4,451.10 : x
  2. Step 2: Convert to fraction form
    8,555.10/12,825.45 = 4,451.10/x
  3. Step 3: Cross multiply
    8,555.10x = 12,825.45 × 4,451.10
  4. Step 4: Simplify right side
    8,555.10x = 57,087,360.50
  5. Step 5: Solve for x
    x = 57,087,360.50/8,555.10
  6. Step 6: Final answer
    x = 6,672.90

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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.