Home / 5,290.92-7,937.28-1,827.36

Finding the Fourth Proportional to 5,290.92, 7,937.28 and 1,827.36

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Solution

The fourth proportional to 5,290.92, 7,937.28 and 1,827.36 is: 2,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.92 : 7,937.28 = 1,827.36 : x
  2. Step 2: Convert to fraction form
    5,290.92/7,937.28 = 1,827.36/x
  3. Step 3: Cross multiply
    5,290.92x = 7,937.28 × 1,827.36
  4. Step 4: Simplify right side
    5,290.92x = 14,504,267.98
  5. Step 5: Solve for x
    x = 14,504,267.98/5,290.92
  6. Step 6: Final answer
    x = 2,741.35

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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.