Home / 6,440.01-9,661.26-2,279.55

Finding the Fourth Proportional to 6,440.01, 9,661.26 and 2,279.55

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Solution

The fourth proportional to 6,440.01, 9,661.26 and 2,279.55 is: 3,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.01 : 9,661.26 = 2,279.55 : x
  2. Step 2: Convert to fraction form
    6,440.01/9,661.26 = 2,279.55/x
  3. Step 3: Cross multiply
    6,440.01x = 9,661.26 × 2,279.55
  4. Step 4: Simplify right side
    6,440.01x = 22,023,325.23
  5. Step 5: Solve for x
    x = 22,023,325.23/6,440.01
  6. Step 6: Final answer
    x = 3,419.77

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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.