Home / 8,302.10-12,454.68-2,378.74

Finding the Fourth Proportional to 8,302.10, 12,454.68 and 2,378.74

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Solution

The fourth proportional to 8,302.10, 12,454.68 and 2,378.74 is: 3,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.10 : 12,454.68 = 2,378.74 : x
  2. Step 2: Convert to fraction form
    8,302.10/12,454.68 = 2,378.74/x
  3. Step 3: Cross multiply
    8,302.10x = 12,454.68 × 2,378.74
  4. Step 4: Simplify right side
    8,302.10x = 29,626,383.23
  5. Step 5: Solve for x
    x = 29,626,383.23/8,302.10
  6. Step 6: Final answer
    x = 3,568.54

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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.