Home / 8,377.47-12,563.55-2,829.60

Finding the Fourth Proportional to 8,377.47, 12,563.55 and 2,829.60

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Solution

The fourth proportional to 8,377.47, 12,563.55 and 2,829.60 is: 4,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.47 : 12,563.55 = 2,829.60 : x
  2. Step 2: Convert to fraction form
    8,377.47/12,563.55 = 2,829.60/x
  3. Step 3: Cross multiply
    8,377.47x = 12,563.55 × 2,829.60
  4. Step 4: Simplify right side
    8,377.47x = 35,549,821.08
  5. Step 5: Solve for x
    x = 35,549,821.08/8,377.47
  6. Step 6: Final answer
    x = 4,243.50

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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.