Home / 5,759.60-8,639.30-1,864.01

Finding the Fourth Proportional to 5,759.60, 8,639.30 and 1,864.01

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Solution

The fourth proportional to 5,759.60, 8,639.30 and 1,864.01 is: 2,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.60 : 8,639.30 = 1,864.01 : x
  2. Step 2: Convert to fraction form
    5,759.60/8,639.30 = 1,864.01/x
  3. Step 3: Cross multiply
    5,759.60x = 8,639.30 × 1,864.01
  4. Step 4: Simplify right side
    5,759.60x = 16,103,732.27
  5. Step 5: Solve for x
    x = 16,103,732.27/5,759.60
  6. Step 6: Final answer
    x = 2,795.98

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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.