Home / 7,907.31-11,859.72-2,642.27

Finding the Fourth Proportional to 7,907.31, 11,859.72 and 2,642.27

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Solution

The fourth proportional to 7,907.31, 11,859.72 and 2,642.27 is: 3,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.31 : 11,859.72 = 2,642.27 : x
  2. Step 2: Convert to fraction form
    7,907.31/11,859.72 = 2,642.27/x
  3. Step 3: Cross multiply
    7,907.31x = 11,859.72 × 2,642.27
  4. Step 4: Simplify right side
    7,907.31x = 31,336,612.01
  5. Step 5: Solve for x
    x = 31,336,612.01/7,907.31
  6. Step 6: Final answer
    x = 3,963.00

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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.