Home / 7,553.78-10,423.45-4,411.79

Finding the Fourth Proportional to 7,553.78, 10,423.45 and 4,411.79

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Solution

The fourth proportional to 7,553.78, 10,423.45 and 4,411.79 is: 6,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.78 : 10,423.45 = 4,411.79 : x
  2. Step 2: Convert to fraction form
    7,553.78/10,423.45 = 4,411.79/x
  3. Step 3: Cross multiply
    7,553.78x = 10,423.45 × 4,411.79
  4. Step 4: Simplify right side
    7,553.78x = 45,986,072.48
  5. Step 5: Solve for x
    x = 45,986,072.48/7,553.78
  6. Step 6: Final answer
    x = 6,087.82

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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.