Home / 4,391.30-6,590.55-4,247.30

Finding the Fourth Proportional to 4,391.30, 6,590.55 and 4,247.30

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Solution

The fourth proportional to 4,391.30, 6,590.55 and 4,247.30 is: 6,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.30 : 6,590.55 = 4,247.30 : x
  2. Step 2: Convert to fraction form
    4,391.30/6,590.55 = 4,247.30/x
  3. Step 3: Cross multiply
    4,391.30x = 6,590.55 × 4,247.30
  4. Step 4: Simplify right side
    4,391.30x = 27,992,043.02
  5. Step 5: Solve for x
    x = 27,992,043.02/4,391.30
  6. Step 6: Final answer
    x = 6,374.43

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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.