Home / 8,124.26-12,184.59-2,280.74

Finding the Fourth Proportional to 8,124.26, 12,184.59 and 2,280.74

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Solution

The fourth proportional to 8,124.26, 12,184.59 and 2,280.74 is: 3,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.26 : 12,184.59 = 2,280.74 : x
  2. Step 2: Convert to fraction form
    8,124.26/12,184.59 = 2,280.74/x
  3. Step 3: Cross multiply
    8,124.26x = 12,184.59 × 2,280.74
  4. Step 4: Simplify right side
    8,124.26x = 27,789,881.80
  5. Step 5: Solve for x
    x = 27,789,881.80/8,124.26
  6. Step 6: Final answer
    x = 3,420.60

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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.