Home / 5,308.30-7,966.23-2,389.06

Finding the Fourth Proportional to 5,308.30, 7,966.23 and 2,389.06

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Solution

The fourth proportional to 5,308.30, 7,966.23 and 2,389.06 is: 3,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.30 : 7,966.23 = 2,389.06 : x
  2. Step 2: Convert to fraction form
    5,308.30/7,966.23 = 2,389.06/x
  3. Step 3: Cross multiply
    5,308.30x = 7,966.23 × 2,389.06
  4. Step 4: Simplify right side
    5,308.30x = 19,031,801.44
  5. Step 5: Solve for x
    x = 19,031,801.44/5,308.30
  6. Step 6: Final answer
    x = 3,585.29

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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.