Home / 5,271.40-7,276.26-3,699.88

Finding the Fourth Proportional to 5,271.40, 7,276.26 and 3,699.88

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Solution

The fourth proportional to 5,271.40, 7,276.26 and 3,699.88 is: 5,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.40 : 7,276.26 = 3,699.88 : x
  2. Step 2: Convert to fraction form
    5,271.40/7,276.26 = 3,699.88/x
  3. Step 3: Cross multiply
    5,271.40x = 7,276.26 × 3,699.88
  4. Step 4: Simplify right side
    5,271.40x = 26,921,288.85
  5. Step 5: Solve for x
    x = 26,921,288.85/5,271.40
  6. Step 6: Final answer
    x = 5,107.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.