Home / 4,575.83-6,864-1,289.18

Finding the Fourth Proportional to 4,575.83, 6,864 and 1,289.18

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Solution

The fourth proportional to 4,575.83, 6,864 and 1,289.18 is: 1,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.83 : 6,864 = 1,289.18 : x
  2. Step 2: Convert to fraction form
    4,575.83/6,864 = 1,289.18/x
  3. Step 3: Cross multiply
    4,575.83x = 6,864 × 1,289.18
  4. Step 4: Simplify right side
    4,575.83x = 8,848,931.52
  5. Step 5: Solve for x
    x = 8,848,931.52/4,575.83
  6. Step 6: Final answer
    x = 1,933.84

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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.