Home / 4,623.12-6,931.79-1,953.34

Finding the Fourth Proportional to 4,623.12, 6,931.79 and 1,953.34

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Solution

The fourth proportional to 4,623.12, 6,931.79 and 1,953.34 is: 2,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.12 : 6,931.79 = 1,953.34 : x
  2. Step 2: Convert to fraction form
    4,623.12/6,931.79 = 1,953.34/x
  3. Step 3: Cross multiply
    4,623.12x = 6,931.79 × 1,953.34
  4. Step 4: Simplify right side
    4,623.12x = 13,540,120.07
  5. Step 5: Solve for x
    x = 13,540,120.07/4,623.12
  6. Step 6: Final answer
    x = 2,928.78

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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.