Home / 5,189.25-7,784.36-2,068.50

Finding the Fourth Proportional to 5,189.25, 7,784.36 and 2,068.50

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Solution

The fourth proportional to 5,189.25, 7,784.36 and 2,068.50 is: 3,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.25 : 7,784.36 = 2,068.50 : x
  2. Step 2: Convert to fraction form
    5,189.25/7,784.36 = 2,068.50/x
  3. Step 3: Cross multiply
    5,189.25x = 7,784.36 × 2,068.50
  4. Step 4: Simplify right side
    5,189.25x = 16,101,938.32
  5. Step 5: Solve for x
    x = 16,101,938.32/5,189.25
  6. Step 6: Final answer
    x = 3,102.94

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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.