Home / 7,381.40-10,186.14-4,024.28

Finding the Fourth Proportional to 7,381.40, 10,186.14 and 4,024.28

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Solution

The fourth proportional to 7,381.40, 10,186.14 and 4,024.28 is: 5,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.40 : 10,186.14 = 4,024.28 : x
  2. Step 2: Convert to fraction form
    7,381.40/10,186.14 = 4,024.28/x
  3. Step 3: Cross multiply
    7,381.40x = 10,186.14 × 4,024.28
  4. Step 4: Simplify right side
    7,381.40x = 40,991,879.48
  5. Step 5: Solve for x
    x = 40,991,879.48/7,381.40
  6. Step 6: Final answer
    x = 5,553.40

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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.