Home / 6,447.21-9,669.42-2,287.35

Finding the Fourth Proportional to 6,447.21, 9,669.42 and 2,287.35

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Solution

The fourth proportional to 6,447.21, 9,669.42 and 2,287.35 is: 3,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.21 : 9,669.42 = 2,287.35 : x
  2. Step 2: Convert to fraction form
    6,447.21/9,669.42 = 2,287.35/x
  3. Step 3: Cross multiply
    6,447.21x = 9,669.42 × 2,287.35
  4. Step 4: Simplify right side
    6,447.21x = 22,117,347.84
  5. Step 5: Solve for x
    x = 22,117,347.84/6,447.21
  6. Step 6: Final answer
    x = 3,430.53

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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.