Home / 8,758.41-12,086.70-4,779.51

Finding the Fourth Proportional to 8,758.41, 12,086.70 and 4,779.51

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Solution

The fourth proportional to 8,758.41, 12,086.70 and 4,779.51 is: 6,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.41 : 12,086.70 = 4,779.51 : x
  2. Step 2: Convert to fraction form
    8,758.41/12,086.70 = 4,779.51/x
  3. Step 3: Cross multiply
    8,758.41x = 12,086.70 × 4,779.51
  4. Step 4: Simplify right side
    8,758.41x = 57,768,503.52
  5. Step 5: Solve for x
    x = 57,768,503.52/8,758.41
  6. Step 6: Final answer
    x = 6,595.78

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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.