Home / 7,836.29-11,754.48-3,158.45

Finding the Fourth Proportional to 7,836.29, 11,754.48 and 3,158.45

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Solution

The fourth proportional to 7,836.29, 11,754.48 and 3,158.45 is: 4,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.29 : 11,754.48 = 3,158.45 : x
  2. Step 2: Convert to fraction form
    7,836.29/11,754.48 = 3,158.45/x
  3. Step 3: Cross multiply
    7,836.29x = 11,754.48 × 3,158.45
  4. Step 4: Simplify right side
    7,836.29x = 37,125,937.36
  5. Step 5: Solve for x
    x = 37,125,937.36/7,836.29
  6. Step 6: Final answer
    x = 4,737.69

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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.