Home / 4,237.54-6,355.85-1,315.62

Finding the Fourth Proportional to 4,237.54, 6,355.85 and 1,315.62

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Solution

The fourth proportional to 4,237.54, 6,355.85 and 1,315.62 is: 1,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.54 : 6,355.85 = 1,315.62 : x
  2. Step 2: Convert to fraction form
    4,237.54/6,355.85 = 1,315.62/x
  3. Step 3: Cross multiply
    4,237.54x = 6,355.85 × 1,315.62
  4. Step 4: Simplify right side
    4,237.54x = 8,361,871.87
  5. Step 5: Solve for x
    x = 8,361,871.87/4,237.54
  6. Step 6: Final answer
    x = 1,973.28

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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.