Home / 7,986.29-11,021.24-4,630.19

Finding the Fourth Proportional to 7,986.29, 11,021.24 and 4,630.19

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Solution

The fourth proportional to 7,986.29, 11,021.24 and 4,630.19 is: 6,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.29 : 11,021.24 = 4,630.19 : x
  2. Step 2: Convert to fraction form
    7,986.29/11,021.24 = 4,630.19/x
  3. Step 3: Cross multiply
    7,986.29x = 11,021.24 × 4,630.19
  4. Step 4: Simplify right side
    7,986.29x = 51,030,435.24
  5. Step 5: Solve for x
    x = 51,030,435.24/7,986.29
  6. Step 6: Final answer
    x = 6,389.75

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Half scale
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Double scale
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Similar ratio
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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.