Home / 7,813.39-10,779.04-4,667.75

Finding the Fourth Proportional to 7,813.39, 10,779.04 and 4,667.75

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Solution

The fourth proportional to 7,813.39, 10,779.04 and 4,667.75 is: 6,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.39 : 10,779.04 = 4,667.75 : x
  2. Step 2: Convert to fraction form
    7,813.39/10,779.04 = 4,667.75/x
  3. Step 3: Cross multiply
    7,813.39x = 10,779.04 × 4,667.75
  4. Step 4: Simplify right side
    7,813.39x = 50,313,863.96
  5. Step 5: Solve for x
    x = 50,313,863.96/7,813.39
  6. Step 6: Final answer
    x = 6,439.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.