Home / 5,354.30-7,391.45-3,587.09

Finding the Fourth Proportional to 5,354.30, 7,391.45 and 3,587.09

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Solution

The fourth proportional to 5,354.30, 7,391.45 and 3,587.09 is: 4,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.30 : 7,391.45 = 3,587.09 : x
  2. Step 2: Convert to fraction form
    5,354.30/7,391.45 = 3,587.09/x
  3. Step 3: Cross multiply
    5,354.30x = 7,391.45 × 3,587.09
  4. Step 4: Simplify right side
    5,354.30x = 26,513,768.39
  5. Step 5: Solve for x
    x = 26,513,768.39/5,354.30
  6. Step 6: Final answer
    x = 4,951.86

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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.