Home / 8,940.32-12,337.44-5,214.08

Finding the Fourth Proportional to 8,940.32, 12,337.44 and 5,214.08

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Solution

The fourth proportional to 8,940.32, 12,337.44 and 5,214.08 is: 7,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.32 : 12,337.44 = 5,214.08 : x
  2. Step 2: Convert to fraction form
    8,940.32/12,337.44 = 5,214.08/x
  3. Step 3: Cross multiply
    8,940.32x = 12,337.44 × 5,214.08
  4. Step 4: Simplify right side
    8,940.32x = 64,328,399.16
  5. Step 5: Solve for x
    x = 64,328,399.16/8,940.32
  6. Step 6: Final answer
    x = 7,195.31

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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.