Home / 5,315.57-7,973.81-2,544.45

Finding the Fourth Proportional to 5,315.57, 7,973.81 and 2,544.45

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Solution

The fourth proportional to 5,315.57, 7,973.81 and 2,544.45 is: 3,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.57 : 7,973.81 = 2,544.45 : x
  2. Step 2: Convert to fraction form
    5,315.57/7,973.81 = 2,544.45/x
  3. Step 3: Cross multiply
    5,315.57x = 7,973.81 × 2,544.45
  4. Step 4: Simplify right side
    5,315.57x = 20,288,948.13
  5. Step 5: Solve for x
    x = 20,288,948.13/5,315.57
  6. Step 6: Final answer
    x = 3,816.89

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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.