Home / 7,977.50-11,966.25-3,589.83

Finding the Fourth Proportional to 7,977.50, 11,966.25 and 3,589.83

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Solution

The fourth proportional to 7,977.50, 11,966.25 and 3,589.83 is: 5,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.50 : 11,966.25 = 3,589.83 : x
  2. Step 2: Convert to fraction form
    7,977.50/11,966.25 = 3,589.83/x
  3. Step 3: Cross multiply
    7,977.50x = 11,966.25 × 3,589.83
  4. Step 4: Simplify right side
    7,977.50x = 42,956,725.46
  5. Step 5: Solve for x
    x = 42,956,725.46/7,977.50
  6. Step 6: Final answer
    x = 5,384.74

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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.