Home / 7,937.32-11,907.29-2,672.80

Finding the Fourth Proportional to 7,937.32, 11,907.29 and 2,672.80

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Solution

The fourth proportional to 7,937.32, 11,907.29 and 2,672.80 is: 4,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.32 : 11,907.29 = 2,672.80 : x
  2. Step 2: Convert to fraction form
    7,937.32/11,907.29 = 2,672.80/x
  3. Step 3: Cross multiply
    7,937.32x = 11,907.29 × 2,672.80
  4. Step 4: Simplify right side
    7,937.32x = 31,825,804.71
  5. Step 5: Solve for x
    x = 31,825,804.71/7,937.32
  6. Step 6: Final answer
    x = 4,009.64

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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.