Home / 5,239.18-7,859.93-1,541.43

Finding the Fourth Proportional to 5,239.18, 7,859.93 and 1,541.43

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Solution

The fourth proportional to 5,239.18, 7,859.93 and 1,541.43 is: 2,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.18 : 7,859.93 = 1,541.43 : x
  2. Step 2: Convert to fraction form
    5,239.18/7,859.93 = 1,541.43/x
  3. Step 3: Cross multiply
    5,239.18x = 7,859.93 × 1,541.43
  4. Step 4: Simplify right side
    5,239.18x = 12,115,531.90
  5. Step 5: Solve for x
    x = 12,115,531.90/5,239.18
  6. Step 6: Final answer
    x = 2,312.49

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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.