Home / 4,381.19-6,567.87-1,607.21

Finding the Fourth Proportional to 4,381.19, 6,567.87 and 1,607.21

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Solution

The fourth proportional to 4,381.19, 6,567.87 and 1,607.21 is: 2,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.19 : 6,567.87 = 1,607.21 : x
  2. Step 2: Convert to fraction form
    4,381.19/6,567.87 = 1,607.21/x
  3. Step 3: Cross multiply
    4,381.19x = 6,567.87 × 1,607.21
  4. Step 4: Simplify right side
    4,381.19x = 10,555,946.34
  5. Step 5: Solve for x
    x = 10,555,946.34/4,381.19
  6. Step 6: Final answer
    x = 2,409.38

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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.