Home / 7,855.42-10,839.96-4,498.26

Finding the Fourth Proportional to 7,855.42, 10,839.96 and 4,498.26

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Solution

The fourth proportional to 7,855.42, 10,839.96 and 4,498.26 is: 6,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.42 : 10,839.96 = 4,498.26 : x
  2. Step 2: Convert to fraction form
    7,855.42/10,839.96 = 4,498.26/x
  3. Step 3: Cross multiply
    7,855.42x = 10,839.96 × 4,498.26
  4. Step 4: Simplify right side
    7,855.42x = 48,760,958.47
  5. Step 5: Solve for x
    x = 48,760,958.47/7,855.42
  6. Step 6: Final answer
    x = 6,207.30

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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.