Home / 8,758.65-12,086.91-4,779.75

Finding the Fourth Proportional to 8,758.65, 12,086.91 and 4,779.75

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Solution

The fourth proportional to 8,758.65, 12,086.91 and 4,779.75 is: 6,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.65 : 12,086.91 = 4,779.75 : x
  2. Step 2: Convert to fraction form
    8,758.65/12,086.91 = 4,779.75/x
  3. Step 3: Cross multiply
    8,758.65x = 12,086.91 × 4,779.75
  4. Step 4: Simplify right side
    8,758.65x = 57,772,408.07
  5. Step 5: Solve for x
    x = 57,772,408.07/8,758.65
  6. Step 6: Final answer
    x = 6,596.04

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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.