Home / 7,933.12-10,945.68-4,950.40

Finding the Fourth Proportional to 7,933.12, 10,945.68 and 4,950.40

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Solution

The fourth proportional to 7,933.12, 10,945.68 and 4,950.40 is: 6,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.12 : 10,945.68 = 4,950.40 : x
  2. Step 2: Convert to fraction form
    7,933.12/10,945.68 = 4,950.40/x
  3. Step 3: Cross multiply
    7,933.12x = 10,945.68 × 4,950.40
  4. Step 4: Simplify right side
    7,933.12x = 54,185,494.27
  5. Step 5: Solve for x
    x = 54,185,494.27/7,933.12
  6. Step 6: Final answer
    x = 6,830.29

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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.