Home / 7,926.12-10,938.39-4,389.33

Finding the Fourth Proportional to 7,926.12, 10,938.39 and 4,389.33

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Solution

The fourth proportional to 7,926.12, 10,938.39 and 4,389.33 is: 6,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.12 : 10,938.39 = 4,389.33 : x
  2. Step 2: Convert to fraction form
    7,926.12/10,938.39 = 4,389.33/x
  3. Step 3: Cross multiply
    7,926.12x = 10,938.39 × 4,389.33
  4. Step 4: Simplify right side
    7,926.12x = 48,012,230.72
  5. Step 5: Solve for x
    x = 48,012,230.72/7,926.12
  6. Step 6: Final answer
    x = 6,057.47

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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.