Home / 6,829.63-9,424.75-3,845.40

Finding the Fourth Proportional to 6,829.63, 9,424.75 and 3,845.40

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Solution

The fourth proportional to 6,829.63, 9,424.75 and 3,845.40 is: 5,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.63 : 9,424.75 = 3,845.40 : x
  2. Step 2: Convert to fraction form
    6,829.63/9,424.75 = 3,845.40/x
  3. Step 3: Cross multiply
    6,829.63x = 9,424.75 × 3,845.40
  4. Step 4: Simplify right side
    6,829.63x = 36,241,933.65
  5. Step 5: Solve for x
    x = 36,241,933.65/6,829.63
  6. Step 6: Final answer
    x = 5,306.57

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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.