Home / 6,441.24-8,885.20-3,788.16

Finding the Fourth Proportional to 6,441.24, 8,885.20 and 3,788.16

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Solution

The fourth proportional to 6,441.24, 8,885.20 and 3,788.16 is: 5,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.24 : 8,885.20 = 3,788.16 : x
  2. Step 2: Convert to fraction form
    6,441.24/8,885.20 = 3,788.16/x
  3. Step 3: Cross multiply
    6,441.24x = 8,885.20 × 3,788.16
  4. Step 4: Simplify right side
    6,441.24x = 33,658,559.23
  5. Step 5: Solve for x
    x = 33,658,559.23/6,441.24
  6. Step 6: Final answer
    x = 5,225.48

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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.