Home / 8,034.90-11,078.72-6,440.27

Finding the Fourth Proportional to 8,034.90, 11,078.72 and 6,440.27

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Solution

The fourth proportional to 8,034.90, 11,078.72 and 6,440.27 is: 8,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034.90 : 11,078.72 = 6,440.27 : x
  2. Step 2: Convert to fraction form
    8,034.90/11,078.72 = 6,440.27/x
  3. Step 3: Cross multiply
    8,034.90x = 11,078.72 × 6,440.27
  4. Step 4: Simplify right side
    8,034.90x = 71,349,948.05
  5. Step 5: Solve for x
    x = 71,349,948.05/8,034.90
  6. Step 6: Final answer
    x = 8,880.00

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Half scale
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Double scale
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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.