Home / 8,454.10-12,674.46-4,290.28

Finding the Fourth Proportional to 8,454.10, 12,674.46 and 4,290.28

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Solution

The fourth proportional to 8,454.10, 12,674.46 and 4,290.28 is: 6,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.10 : 12,674.46 = 4,290.28 : x
  2. Step 2: Convert to fraction form
    8,454.10/12,674.46 = 4,290.28/x
  3. Step 3: Cross multiply
    8,454.10x = 12,674.46 × 4,290.28
  4. Step 4: Simplify right side
    8,454.10x = 54,376,982.25
  5. Step 5: Solve for x
    x = 54,376,982.25/8,454.10
  6. Step 6: Final answer
    x = 6,432.02

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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.