Home / 7,921.64-10,933.08-4,518.65

Finding the Fourth Proportional to 7,921.64, 10,933.08 and 4,518.65

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Solution

The fourth proportional to 7,921.64, 10,933.08 and 4,518.65 is: 6,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.64 : 10,933.08 = 4,518.65 : x
  2. Step 2: Convert to fraction form
    7,921.64/10,933.08 = 4,518.65/x
  3. Step 3: Cross multiply
    7,921.64x = 10,933.08 × 4,518.65
  4. Step 4: Simplify right side
    7,921.64x = 49,402,761.94
  5. Step 5: Solve for x
    x = 49,402,761.94/7,921.64
  6. Step 6: Final answer
    x = 6,236.44

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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.