Home / 5,491.30-8,235.96-2,717.08

Finding the Fourth Proportional to 5,491.30, 8,235.96 and 2,717.08

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Solution

The fourth proportional to 5,491.30, 8,235.96 and 2,717.08 is: 4,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.30 : 8,235.96 = 2,717.08 : x
  2. Step 2: Convert to fraction form
    5,491.30/8,235.96 = 2,717.08/x
  3. Step 3: Cross multiply
    5,491.30x = 8,235.96 × 2,717.08
  4. Step 4: Simplify right side
    5,491.30x = 22,377,762.20
  5. Step 5: Solve for x
    x = 22,377,762.20/5,491.30
  6. Step 6: Final answer
    x = 4,075.13

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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.