Home / 7,406.19-11,107.03-3,894.30

Finding the Fourth Proportional to 7,406.19, 11,107.03 and 3,894.30

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Solution

The fourth proportional to 7,406.19, 11,107.03 and 3,894.30 is: 5,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.19 : 11,107.03 = 3,894.30 : x
  2. Step 2: Convert to fraction form
    7,406.19/11,107.03 = 3,894.30/x
  3. Step 3: Cross multiply
    7,406.19x = 11,107.03 × 3,894.30
  4. Step 4: Simplify right side
    7,406.19x = 43,254,084.61
  5. Step 5: Solve for x
    x = 43,254,084.61/7,406.19
  6. Step 6: Final answer
    x = 5,840.26

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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.