Home / 4,892.30-6,749.72-3,124.94

Finding the Fourth Proportional to 4,892.30, 6,749.72 and 3,124.94

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Solution

The fourth proportional to 4,892.30, 6,749.72 and 3,124.94 is: 4,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.30 : 6,749.72 = 3,124.94 : x
  2. Step 2: Convert to fraction form
    4,892.30/6,749.72 = 3,124.94/x
  3. Step 3: Cross multiply
    4,892.30x = 6,749.72 × 3,124.94
  4. Step 4: Simplify right side
    4,892.30x = 21,092,470.02
  5. Step 5: Solve for x
    x = 21,092,470.02/4,892.30
  6. Step 6: Final answer
    x = 4,311.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.