Home / 8,146.40-12,219.33-2,600.08

Finding the Fourth Proportional to 8,146.40, 12,219.33 and 2,600.08

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Solution

The fourth proportional to 8,146.40, 12,219.33 and 2,600.08 is: 3,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.40 : 12,219.33 = 2,600.08 : x
  2. Step 2: Convert to fraction form
    8,146.40/12,219.33 = 2,600.08/x
  3. Step 3: Cross multiply
    8,146.40x = 12,219.33 × 2,600.08
  4. Step 4: Simplify right side
    8,146.40x = 31,771,214.75
  5. Step 5: Solve for x
    x = 31,771,214.75/8,146.40
  6. Step 6: Final answer
    x = 3,900.03

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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.