Home / 5,929.20-8,877.60-4,276.80

Finding the Fourth Proportional to 5,929.20, 8,877.60 and 4,276.80

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Solution

The fourth proportional to 5,929.20, 8,877.60 and 4,276.80 is: 6,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.20 : 8,877.60 = 4,276.80 : x
  2. Step 2: Convert to fraction form
    5,929.20/8,877.60 = 4,276.80/x
  3. Step 3: Cross multiply
    5,929.20x = 8,877.60 × 4,276.80
  4. Step 4: Simplify right side
    5,929.20x = 37,967,719.68
  5. Step 5: Solve for x
    x = 37,967,719.68/5,929.20
  6. Step 6: Final answer
    x = 6,403.51

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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.