Home / 5,872.40-8,807.70-1,923.65

Finding the Fourth Proportional to 5,872.40, 8,807.70 and 1,923.65

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Solution

The fourth proportional to 5,872.40, 8,807.70 and 1,923.65 is: 2,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.40 : 8,807.70 = 1,923.65 : x
  2. Step 2: Convert to fraction form
    5,872.40/8,807.70 = 1,923.65/x
  3. Step 3: Cross multiply
    5,872.40x = 8,807.70 × 1,923.65
  4. Step 4: Simplify right side
    5,872.40x = 16,942,928.31
  5. Step 5: Solve for x
    x = 16,942,928.31/5,872.40
  6. Step 6: Final answer
    x = 2,885.18

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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.