Home / 7,497.88-11,247.12-2,817.40

Finding the Fourth Proportional to 7,497.88, 11,247.12 and 2,817.40

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Solution

The fourth proportional to 7,497.88, 11,247.12 and 2,817.40 is: 4,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.88 : 11,247.12 = 2,817.40 : x
  2. Step 2: Convert to fraction form
    7,497.88/11,247.12 = 2,817.40/x
  3. Step 3: Cross multiply
    7,497.88x = 11,247.12 × 2,817.40
  4. Step 4: Simplify right side
    7,497.88x = 31,687,635.89
  5. Step 5: Solve for x
    x = 31,687,635.89/7,497.88
  6. Step 6: Final answer
    x = 4,226.21

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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.