Home / 6,412.53-9,615.39-3,291.27

Finding the Fourth Proportional to 6,412.53, 9,615.39 and 3,291.27

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Solution

The fourth proportional to 6,412.53, 9,615.39 and 3,291.27 is: 4,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.53 : 9,615.39 = 3,291.27 : x
  2. Step 2: Convert to fraction form
    6,412.53/9,615.39 = 3,291.27/x
  3. Step 3: Cross multiply
    6,412.53x = 9,615.39 × 3,291.27
  4. Step 4: Simplify right side
    6,412.53x = 31,646,844.65
  5. Step 5: Solve for x
    x = 31,646,844.65/6,412.53
  6. Step 6: Final answer
    x = 4,935.16

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1.5x scale

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.