Home / 4,779.08-7,164.84-2,278.95

Finding the Fourth Proportional to 4,779.08, 7,164.84 and 2,278.95

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Solution

The fourth proportional to 4,779.08, 7,164.84 and 2,278.95 is: 3,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.08 : 7,164.84 = 2,278.95 : x
  2. Step 2: Convert to fraction form
    4,779.08/7,164.84 = 2,278.95/x
  3. Step 3: Cross multiply
    4,779.08x = 7,164.84 × 2,278.95
  4. Step 4: Simplify right side
    4,779.08x = 16,328,312.12
  5. Step 5: Solve for x
    x = 16,328,312.12/4,779.08
  6. Step 6: Final answer
    x = 3,416.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.