Home / 8,758.49-12,086.73-4,779.68

Finding the Fourth Proportional to 8,758.49, 12,086.73 and 4,779.68

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Solution

The fourth proportional to 8,758.49, 12,086.73 and 4,779.68 is: 6,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.49 : 12,086.73 = 4,779.68 : x
  2. Step 2: Convert to fraction form
    8,758.49/12,086.73 = 4,779.68/x
  3. Step 3: Cross multiply
    8,758.49x = 12,086.73 × 4,779.68
  4. Step 4: Simplify right side
    8,758.49x = 57,770,701.65
  5. Step 5: Solve for x
    x = 57,770,701.65/8,758.49
  6. Step 6: Final answer
    x = 6,595.97

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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.