Home / 4,901.10-7,352.09-1,391.16

Finding the Fourth Proportional to 4,901.10, 7,352.09 and 1,391.16

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Solution

The fourth proportional to 4,901.10, 7,352.09 and 1,391.16 is: 2,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.10 : 7,352.09 = 1,391.16 : x
  2. Step 2: Convert to fraction form
    4,901.10/7,352.09 = 1,391.16/x
  3. Step 3: Cross multiply
    4,901.10x = 7,352.09 × 1,391.16
  4. Step 4: Simplify right side
    4,901.10x = 10,227,933.52
  5. Step 5: Solve for x
    x = 10,227,933.52/4,901.10
  6. Step 6: Final answer
    x = 2,086.86

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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.