Home / 7,729.28-11,599.10-3,048.76

Finding the Fourth Proportional to 7,729.28, 11,599.10 and 3,048.76

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Solution

The fourth proportional to 7,729.28, 11,599.10 and 3,048.76 is: 4,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.28 : 11,599.10 = 3,048.76 : x
  2. Step 2: Convert to fraction form
    7,729.28/11,599.10 = 3,048.76/x
  3. Step 3: Cross multiply
    7,729.28x = 11,599.10 × 3,048.76
  4. Step 4: Simplify right side
    7,729.28x = 35,362,872.12
  5. Step 5: Solve for x
    x = 35,362,872.12/7,729.28
  6. Step 6: Final answer
    x = 4,575.18

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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.