Home / 5,315.00-7,972.94-1,617.26

Finding the Fourth Proportional to 5,315.00, 7,972.94 and 1,617.26

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Solution

The fourth proportional to 5,315.00, 7,972.94 and 1,617.26 is: 2,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.00 : 7,972.94 = 1,617.26 : x
  2. Step 2: Convert to fraction form
    5,315.00/7,972.94 = 1,617.26/x
  3. Step 3: Cross multiply
    5,315.00x = 7,972.94 × 1,617.26
  4. Step 4: Simplify right side
    5,315.00x = 12,894,340.92
  5. Step 5: Solve for x
    x = 12,894,340.92/5,315.00
  6. Step 6: Final answer
    x = 2,426.03

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1.5x scale

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.