Home / 9,210.40-13,804.79-3,943.87

Finding the Fourth Proportional to 9,210.40, 13,804.79 and 3,943.87

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Solution

The fourth proportional to 9,210.40, 13,804.79 and 3,943.87 is: 5,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.40 : 13,804.79 = 3,943.87 : x
  2. Step 2: Convert to fraction form
    9,210.40/13,804.79 = 3,943.87/x
  3. Step 3: Cross multiply
    9,210.40x = 13,804.79 × 3,943.87
  4. Step 4: Simplify right side
    9,210.40x = 54,444,242.91
  5. Step 5: Solve for x
    x = 54,444,242.91/9,210.40
  6. Step 6: Final answer
    x = 5,911.17

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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.