Home / 8,628.39-11,907.23-4,851.72

Finding the Fourth Proportional to 8,628.39, 11,907.23 and 4,851.72

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Solution

The fourth proportional to 8,628.39, 11,907.23 and 4,851.72 is: 6,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.39 : 11,907.23 = 4,851.72 : x
  2. Step 2: Convert to fraction form
    8,628.39/11,907.23 = 4,851.72/x
  3. Step 3: Cross multiply
    8,628.39x = 11,907.23 × 4,851.72
  4. Step 4: Simplify right side
    8,628.39x = 57,770,521.68
  5. Step 5: Solve for x
    x = 57,770,521.68/8,628.39
  6. Step 6: Final answer
    x = 6,695.40

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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.