Home / 5,102.65-7,647.56-2,328.81

Finding the Fourth Proportional to 5,102.65, 7,647.56 and 2,328.81

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Solution

The fourth proportional to 5,102.65, 7,647.56 and 2,328.81 is: 3,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.65 : 7,647.56 = 2,328.81 : x
  2. Step 2: Convert to fraction form
    5,102.65/7,647.56 = 2,328.81/x
  3. Step 3: Cross multiply
    5,102.65x = 7,647.56 × 2,328.81
  4. Step 4: Simplify right side
    5,102.65x = 17,809,714.20
  5. Step 5: Solve for x
    x = 17,809,714.20/5,102.65
  6. Step 6: Final answer
    x = 3,490.29

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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.