Home / 6,442.03-8,889.50-3,609.18

Finding the Fourth Proportional to 6,442.03, 8,889.50 and 3,609.18

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Solution

The fourth proportional to 6,442.03, 8,889.50 and 3,609.18 is: 4,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.03 : 8,889.50 = 3,609.18 : x
  2. Step 2: Convert to fraction form
    6,442.03/8,889.50 = 3,609.18/x
  3. Step 3: Cross multiply
    6,442.03x = 8,889.50 × 3,609.18
  4. Step 4: Simplify right side
    6,442.03x = 32,083,805.61
  5. Step 5: Solve for x
    x = 32,083,805.61/6,442.03
  6. Step 6: Final answer
    x = 4,980.39

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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.