Home / 6,530.56-9,013.48-3,879.44

Finding the Fourth Proportional to 6,530.56, 9,013.48 and 3,879.44

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Solution

The fourth proportional to 6,530.56, 9,013.48 and 3,879.44 is: 5,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.56 : 9,013.48 = 3,879.44 : x
  2. Step 2: Convert to fraction form
    6,530.56/9,013.48 = 3,879.44/x
  3. Step 3: Cross multiply
    6,530.56x = 9,013.48 × 3,879.44
  4. Step 4: Simplify right side
    6,530.56x = 34,967,254.85
  5. Step 5: Solve for x
    x = 34,967,254.85/6,530.56
  6. Step 6: Final answer
    x = 5,354.40

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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.