Home / 9,115.01-12,578.72-4,923.26

Finding the Fourth Proportional to 9,115.01, 12,578.72 and 4,923.26

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Solution

The fourth proportional to 9,115.01, 12,578.72 and 4,923.26 is: 6,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.01 : 12,578.72 = 4,923.26 : x
  2. Step 2: Convert to fraction form
    9,115.01/12,578.72 = 4,923.26/x
  3. Step 3: Cross multiply
    9,115.01x = 12,578.72 × 4,923.26
  4. Step 4: Simplify right side
    9,115.01x = 61,928,309.03
  5. Step 5: Solve for x
    x = 61,928,309.03/9,115.01
  6. Step 6: Final answer
    x = 6,794.10

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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.