Home / 5,315.37-7,973.39-1,617.87

Finding the Fourth Proportional to 5,315.37, 7,973.39 and 1,617.87

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Solution

The fourth proportional to 5,315.37, 7,973.39 and 1,617.87 is: 2,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.37 : 7,973.39 = 1,617.87 : x
  2. Step 2: Convert to fraction form
    5,315.37/7,973.39 = 1,617.87/x
  3. Step 3: Cross multiply
    5,315.37x = 7,973.39 × 1,617.87
  4. Step 4: Simplify right side
    5,315.37x = 12,899,900.39
  5. Step 5: Solve for x
    x = 12,899,900.39/5,315.37
  6. Step 6: Final answer
    x = 2,426.91

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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.