Home / 7,919.27-11,888.10-4,634.72

Finding the Fourth Proportional to 7,919.27, 11,888.10 and 4,634.72

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Solution

The fourth proportional to 7,919.27, 11,888.10 and 4,634.72 is: 6,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.27 : 11,888.10 = 4,634.72 : x
  2. Step 2: Convert to fraction form
    7,919.27/11,888.10 = 4,634.72/x
  3. Step 3: Cross multiply
    7,919.27x = 11,888.10 × 4,634.72
  4. Step 4: Simplify right side
    7,919.27x = 55,097,955.39
  5. Step 5: Solve for x
    x = 55,097,955.39/7,919.27
  6. Step 6: Final answer
    x = 6,957.46

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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.