Home / 6,279.23-9,421.91-4,442.15

Finding the Fourth Proportional to 6,279.23, 9,421.91 and 4,442.15

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Solution

The fourth proportional to 6,279.23, 9,421.91 and 4,442.15 is: 6,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.23 : 9,421.91 = 4,442.15 : x
  2. Step 2: Convert to fraction form
    6,279.23/9,421.91 = 4,442.15/x
  3. Step 3: Cross multiply
    6,279.23x = 9,421.91 × 4,442.15
  4. Step 4: Simplify right side
    6,279.23x = 41,853,537.51
  5. Step 5: Solve for x
    x = 41,853,537.51/6,279.23
  6. Step 6: Final answer
    x = 6,665.39

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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.