Home / 6,391.20-9,590.50-2,693.15

Finding the Fourth Proportional to 6,391.20, 9,590.50 and 2,693.15

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Solution

The fourth proportional to 6,391.20, 9,590.50 and 2,693.15 is: 4,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.20 : 9,590.50 = 2,693.15 : x
  2. Step 2: Convert to fraction form
    6,391.20/9,590.50 = 2,693.15/x
  3. Step 3: Cross multiply
    6,391.20x = 9,590.50 × 2,693.15
  4. Step 4: Simplify right side
    6,391.20x = 25,828,646.45
  5. Step 5: Solve for x
    x = 25,828,646.45/6,391.20
  6. Step 6: Final answer
    x = 4,041.28

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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.