Home / 4,291.24-6,435.90-1,369

Finding the Fourth Proportional to 4,291.24, 6,435.90 and 1,369

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Solution

The fourth proportional to 4,291.24, 6,435.90 and 1,369 is: 2,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.24 : 6,435.90 = 1,369 : x
  2. Step 2: Convert to fraction form
    4,291.24/6,435.90 = 1,369/x
  3. Step 3: Cross multiply
    4,291.24x = 6,435.90 × 1,369
  4. Step 4: Simplify right side
    4,291.24x = 8,810,747.10
  5. Step 5: Solve for x
    x = 8,810,747.10/4,291.24
  6. Step 6: Final answer
    x = 2,053.19

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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.