Home / 8,145.08-12,217.46-2,598.35

Finding the Fourth Proportional to 8,145.08, 12,217.46 and 2,598.35

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Solution

The fourth proportional to 8,145.08, 12,217.46 and 2,598.35 is: 3,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.08 : 12,217.46 = 2,598.35 : x
  2. Step 2: Convert to fraction form
    8,145.08/12,217.46 = 2,598.35/x
  3. Step 3: Cross multiply
    8,145.08x = 12,217.46 × 2,598.35
  4. Step 4: Simplify right side
    8,145.08x = 31,745,273.50
  5. Step 5: Solve for x
    x = 31,745,273.50/8,145.08
  6. Step 6: Final answer
    x = 3,897.48

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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.