Home / 6,290.45-9,432.03-2,129.07

Finding the Fourth Proportional to 6,290.45, 9,432.03 and 2,129.07

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Solution

The fourth proportional to 6,290.45, 9,432.03 and 2,129.07 is: 3,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.45 : 9,432.03 = 2,129.07 : x
  2. Step 2: Convert to fraction form
    6,290.45/9,432.03 = 2,129.07/x
  3. Step 3: Cross multiply
    6,290.45x = 9,432.03 × 2,129.07
  4. Step 4: Simplify right side
    6,290.45x = 20,081,452.11
  5. Step 5: Solve for x
    x = 20,081,452.11/6,290.45
  6. Step 6: Final answer
    x = 3,192.37

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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.