Home / 5,887.20-8,830.80-4,137.60

Finding the Fourth Proportional to 5,887.20, 8,830.80 and 4,137.60

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Solution

The fourth proportional to 5,887.20, 8,830.80 and 4,137.60 is: 6,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.20 : 8,830.80 = 4,137.60 : x
  2. Step 2: Convert to fraction form
    5,887.20/8,830.80 = 4,137.60/x
  3. Step 3: Cross multiply
    5,887.20x = 8,830.80 × 4,137.60
  4. Step 4: Simplify right side
    5,887.20x = 36,538,318.08
  5. Step 5: Solve for x
    x = 36,538,318.08/5,887.20
  6. Step 6: Final answer
    x = 6,206.40

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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.