Home / 7,839.29-10,816.30-4,436.36

Finding the Fourth Proportional to 7,839.29, 10,816.30 and 4,436.36

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Solution

The fourth proportional to 7,839.29, 10,816.30 and 4,436.36 is: 6,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.29 : 10,816.30 = 4,436.36 : x
  2. Step 2: Convert to fraction form
    7,839.29/10,816.30 = 4,436.36/x
  3. Step 3: Cross multiply
    7,839.29x = 10,816.30 × 4,436.36
  4. Step 4: Simplify right side
    7,839.29x = 47,984,935.50
  5. Step 5: Solve for x
    x = 47,984,935.50/7,839.29
  6. Step 6: Final answer
    x = 6,121.08

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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.