Home / 6,369.36-8,780.43-4,475.19

Finding the Fourth Proportional to 6,369.36, 8,780.43 and 4,475.19

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Solution

The fourth proportional to 6,369.36, 8,780.43 and 4,475.19 is: 6,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.36 : 8,780.43 = 4,475.19 : x
  2. Step 2: Convert to fraction form
    6,369.36/8,780.43 = 4,475.19/x
  3. Step 3: Cross multiply
    6,369.36x = 8,780.43 × 4,475.19
  4. Step 4: Simplify right side
    6,369.36x = 39,294,092.53
  5. Step 5: Solve for x
    x = 39,294,092.53/6,369.36
  6. Step 6: Final answer
    x = 6,169.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.