Home / 5,315.16-7,967.64-2,541.09

Finding the Fourth Proportional to 5,315.16, 7,967.64 and 2,541.09

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Solution

The fourth proportional to 5,315.16, 7,967.64 and 2,541.09 is: 3,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.16 : 7,967.64 = 2,541.09 : x
  2. Step 2: Convert to fraction form
    5,315.16/7,967.64 = 2,541.09/x
  3. Step 3: Cross multiply
    5,315.16x = 7,967.64 × 2,541.09
  4. Step 4: Simplify right side
    5,315.16x = 20,246,490.33
  5. Step 5: Solve for x
    x = 20,246,490.33/5,315.16
  6. Step 6: Final answer
    x = 3,809.20

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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.