Home / 9,861.46-14,787.09-3,619.87

Finding the Fourth Proportional to 9,861.46, 14,787.09 and 3,619.87

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Solution

The fourth proportional to 9,861.46, 14,787.09 and 3,619.87 is: 5,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.46 : 14,787.09 = 3,619.87 : x
  2. Step 2: Convert to fraction form
    9,861.46/14,787.09 = 3,619.87/x
  3. Step 3: Cross multiply
    9,861.46x = 14,787.09 × 3,619.87
  4. Step 4: Simplify right side
    9,861.46x = 53,527,306.51
  5. Step 5: Solve for x
    x = 53,527,306.51/9,861.46
  6. Step 6: Final answer
    x = 5,427.93

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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.