Home / 7,495.16-11,240.31-3,545.81

Finding the Fourth Proportional to 7,495.16, 11,240.31 and 3,545.81

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Solution

The fourth proportional to 7,495.16, 11,240.31 and 3,545.81 is: 5,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.16 : 11,240.31 = 3,545.81 : x
  2. Step 2: Convert to fraction form
    7,495.16/11,240.31 = 3,545.81/x
  3. Step 3: Cross multiply
    7,495.16x = 11,240.31 × 3,545.81
  4. Step 4: Simplify right side
    7,495.16x = 39,855,947.40
  5. Step 5: Solve for x
    x = 39,855,947.40/7,495.16
  6. Step 6: Final answer
    x = 5,317.56

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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.