Home / 7,839.63-11,751.93-2,907.95

Finding the Fourth Proportional to 7,839.63, 11,751.93 and 2,907.95

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Solution

The fourth proportional to 7,839.63, 11,751.93 and 2,907.95 is: 4,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.63 : 11,751.93 = 2,907.95 : x
  2. Step 2: Convert to fraction form
    7,839.63/11,751.93 = 2,907.95/x
  3. Step 3: Cross multiply
    7,839.63x = 11,751.93 × 2,907.95
  4. Step 4: Simplify right side
    7,839.63x = 34,173,966.08
  5. Step 5: Solve for x
    x = 34,173,966.08/7,839.63
  6. Step 6: Final answer
    x = 4,359.13

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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.