Home / 8,554.95-11,806.44-4,778.85

Finding the Fourth Proportional to 8,554.95, 11,806.44 and 4,778.85

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Solution

The fourth proportional to 8,554.95, 11,806.44 and 4,778.85 is: 6,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.95 : 11,806.44 = 4,778.85 : x
  2. Step 2: Convert to fraction form
    8,554.95/11,806.44 = 4,778.85/x
  3. Step 3: Cross multiply
    8,554.95x = 11,806.44 × 4,778.85
  4. Step 4: Simplify right side
    8,554.95x = 56,421,205.79
  5. Step 5: Solve for x
    x = 56,421,205.79/8,554.95
  6. Step 6: Final answer
    x = 6,595.15

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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.