Home / 5,670.30-7,826.64-3,784.62

Finding the Fourth Proportional to 5,670.30, 7,826.64 and 3,784.62

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Solution

The fourth proportional to 5,670.30, 7,826.64 and 3,784.62 is: 5,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.30 : 7,826.64 = 3,784.62 : x
  2. Step 2: Convert to fraction form
    5,670.30/7,826.64 = 3,784.62/x
  3. Step 3: Cross multiply
    5,670.30x = 7,826.64 × 3,784.62
  4. Step 4: Simplify right side
    5,670.30x = 29,620,858.28
  5. Step 5: Solve for x
    x = 29,620,858.28/5,670.30
  6. Step 6: Final answer
    x = 5,223.86

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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.