Home / 5,320.53-7,981.14-1,623.03

Finding the Fourth Proportional to 5,320.53, 7,981.14 and 1,623.03

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Solution

The fourth proportional to 5,320.53, 7,981.14 and 1,623.03 is: 2,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.53 : 7,981.14 = 1,623.03 : x
  2. Step 2: Convert to fraction form
    5,320.53/7,981.14 = 1,623.03/x
  3. Step 3: Cross multiply
    5,320.53x = 7,981.14 × 1,623.03
  4. Step 4: Simplify right side
    5,320.53x = 12,953,629.65
  5. Step 5: Solve for x
    x = 12,953,629.65/5,320.53
  6. Step 6: Final answer
    x = 2,434.65

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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.