Home / 5,271.26-7,908.10-1,808.50

Finding the Fourth Proportional to 5,271.26, 7,908.10 and 1,808.50

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Solution

The fourth proportional to 5,271.26, 7,908.10 and 1,808.50 is: 2,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.26 : 7,908.10 = 1,808.50 : x
  2. Step 2: Convert to fraction form
    5,271.26/7,908.10 = 1,808.50/x
  3. Step 3: Cross multiply
    5,271.26x = 7,908.10 × 1,808.50
  4. Step 4: Simplify right side
    5,271.26x = 14,301,798.85
  5. Step 5: Solve for x
    x = 14,301,798.85/5,271.26
  6. Step 6: Final answer
    x = 2,713.17

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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.