Home / 8,528.32-12,784.23-4,143.39

Finding the Fourth Proportional to 8,528.32, 12,784.23 and 4,143.39

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Solution

The fourth proportional to 8,528.32, 12,784.23 and 4,143.39 is: 6,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.32 : 12,784.23 = 4,143.39 : x
  2. Step 2: Convert to fraction form
    8,528.32/12,784.23 = 4,143.39/x
  3. Step 3: Cross multiply
    8,528.32x = 12,784.23 × 4,143.39
  4. Step 4: Simplify right side
    8,528.32x = 52,970,002.80
  5. Step 5: Solve for x
    x = 52,970,002.80/8,528.32
  6. Step 6: Final answer
    x = 6,211.07

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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.