Home / 7,386.62-11,073.09-3,875.90

Finding the Fourth Proportional to 7,386.62, 11,073.09 and 3,875.90

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Solution

The fourth proportional to 7,386.62, 11,073.09 and 3,875.90 is: 5,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.62 : 11,073.09 = 3,875.90 : x
  2. Step 2: Convert to fraction form
    7,386.62/11,073.09 = 3,875.90/x
  3. Step 3: Cross multiply
    7,386.62x = 11,073.09 × 3,875.90
  4. Step 4: Simplify right side
    7,386.62x = 42,918,189.53
  5. Step 5: Solve for x
    x = 42,918,189.53/7,386.62
  6. Step 6: Final answer
    x = 5,810.26

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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.