Home / 8,454.29-12,685.05-3,525.03

Finding the Fourth Proportional to 8,454.29, 12,685.05 and 3,525.03

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Solution

The fourth proportional to 8,454.29, 12,685.05 and 3,525.03 is: 5,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.29 : 12,685.05 = 3,525.03 : x
  2. Step 2: Convert to fraction form
    8,454.29/12,685.05 = 3,525.03/x
  3. Step 3: Cross multiply
    8,454.29x = 12,685.05 × 3,525.03
  4. Step 4: Simplify right side
    8,454.29x = 44,715,181.80
  5. Step 5: Solve for x
    x = 44,715,181.80/8,454.29
  6. Step 6: Final answer
    x = 5,289.06

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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.