Home / 7,839.96-11,752.50-2,908.32

Finding the Fourth Proportional to 7,839.96, 11,752.50 and 2,908.32

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Solution

The fourth proportional to 7,839.96, 11,752.50 and 2,908.32 is: 4,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.96 : 11,752.50 = 2,908.32 : x
  2. Step 2: Convert to fraction form
    7,839.96/11,752.50 = 2,908.32/x
  3. Step 3: Cross multiply
    7,839.96x = 11,752.50 × 2,908.32
  4. Step 4: Simplify right side
    7,839.96x = 34,180,030.80
  5. Step 5: Solve for x
    x = 34,180,030.80/7,839.96
  6. Step 6: Final answer
    x = 4,359.72

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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.