Home / 8,926.40-13,389.48-3,995.12

Finding the Fourth Proportional to 8,926.40, 13,389.48 and 3,995.12

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Solution

The fourth proportional to 8,926.40, 13,389.48 and 3,995.12 is: 5,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.40 : 13,389.48 = 3,995.12 : x
  2. Step 2: Convert to fraction form
    8,926.40/13,389.48 = 3,995.12/x
  3. Step 3: Cross multiply
    8,926.40x = 13,389.48 × 3,995.12
  4. Step 4: Simplify right side
    8,926.40x = 53,492,579.34
  5. Step 5: Solve for x
    x = 53,492,579.34/8,926.40
  6. Step 6: Final answer
    x = 5,992.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.