Home / 7,406.44-10,220.77-4,421.71

Finding the Fourth Proportional to 7,406.44, 10,220.77 and 4,421.71

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Solution

The fourth proportional to 7,406.44, 10,220.77 and 4,421.71 is: 6,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.44 : 10,220.77 = 4,421.71 : x
  2. Step 2: Convert to fraction form
    7,406.44/10,220.77 = 4,421.71/x
  3. Step 3: Cross multiply
    7,406.44x = 10,220.77 × 4,421.71
  4. Step 4: Simplify right side
    7,406.44x = 45,193,291.97
  5. Step 5: Solve for x
    x = 45,193,291.97/7,406.44
  6. Step 6: Final answer
    x = 6,101.90

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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.