Home / 8,320.26-12,476.73-4,423.74

Finding the Fourth Proportional to 8,320.26, 12,476.73 and 4,423.74

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Solution

The fourth proportional to 8,320.26, 12,476.73 and 4,423.74 is: 6,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.26 : 12,476.73 = 4,423.74 : x
  2. Step 2: Convert to fraction form
    8,320.26/12,476.73 = 4,423.74/x
  3. Step 3: Cross multiply
    8,320.26x = 12,476.73 × 4,423.74
  4. Step 4: Simplify right side
    8,320.26x = 55,193,809.57
  5. Step 5: Solve for x
    x = 55,193,809.57/8,320.26
  6. Step 6: Final answer
    x = 6,633.66

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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.