Home / 7,476.46-11,218.53-5,138.34

Finding the Fourth Proportional to 7,476.46, 11,218.53 and 5,138.34

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Solution

The fourth proportional to 7,476.46, 11,218.53 and 5,138.34 is: 7,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.46 : 11,218.53 = 5,138.34 : x
  2. Step 2: Convert to fraction form
    7,476.46/11,218.53 = 5,138.34/x
  3. Step 3: Cross multiply
    7,476.46x = 11,218.53 × 5,138.34
  4. Step 4: Simplify right side
    7,476.46x = 57,644,649.94
  5. Step 5: Solve for x
    x = 57,644,649.94/7,476.46
  6. Step 6: Final answer
    x = 7,710.15

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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.