Home / 7,126.56-9,839.40-4,336.92

Finding the Fourth Proportional to 7,126.56, 9,839.40 and 4,336.92

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Solution

The fourth proportional to 7,126.56, 9,839.40 and 4,336.92 is: 5,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.56 : 9,839.40 = 4,336.92 : x
  2. Step 2: Convert to fraction form
    7,126.56/9,839.40 = 4,336.92/x
  3. Step 3: Cross multiply
    7,126.56x = 9,839.40 × 4,336.92
  4. Step 4: Simplify right side
    7,126.56x = 42,672,690.65
  5. Step 5: Solve for x
    x = 42,672,690.65/7,126.56
  6. Step 6: Final answer
    x = 5,987.84

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Half 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.