Home / 9,045.28-13,556.58-4,885.12

Finding the Fourth Proportional to 9,045.28, 13,556.58 and 4,885.12

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Solution

The fourth proportional to 9,045.28, 13,556.58 and 4,885.12 is: 7,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.28 : 13,556.58 = 4,885.12 : x
  2. Step 2: Convert to fraction form
    9,045.28/13,556.58 = 4,885.12/x
  3. Step 3: Cross multiply
    9,045.28x = 13,556.58 × 4,885.12
  4. Step 4: Simplify right side
    9,045.28x = 66,225,520.09
  5. Step 5: Solve for x
    x = 66,225,520.09/9,045.28
  6. Step 6: Final answer
    x = 7,321.56

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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.