Home / 8,432.52-12,648.61-2,810.60

Finding the Fourth Proportional to 8,432.52, 12,648.61 and 2,810.60

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Solution

The fourth proportional to 8,432.52, 12,648.61 and 2,810.60 is: 4,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.52 : 12,648.61 = 2,810.60 : x
  2. Step 2: Convert to fraction form
    8,432.52/12,648.61 = 2,810.60/x
  3. Step 3: Cross multiply
    8,432.52x = 12,648.61 × 2,810.60
  4. Step 4: Simplify right side
    8,432.52x = 35,550,125.14
  5. Step 5: Solve for x
    x = 35,550,125.14/8,432.52
  6. Step 6: Final answer
    x = 4,215.84

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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.