Home / 8,433.60-12,647.28-4,924.80

Finding the Fourth Proportional to 8,433.60, 12,647.28 and 4,924.80

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Solution

The fourth proportional to 8,433.60, 12,647.28 and 4,924.80 is: 7,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.60 : 12,647.28 = 4,924.80 : x
  2. Step 2: Convert to fraction form
    8,433.60/12,647.28 = 4,924.80/x
  3. Step 3: Cross multiply
    8,433.60x = 12,647.28 × 4,924.80
  4. Step 4: Simplify right side
    8,433.60x = 62,285,324.54
  5. Step 5: Solve for x
    x = 62,285,324.54/8,433.60
  6. Step 6: Final answer
    x = 7,385.38

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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.