Home / 5,476.95-8,215.83-1,779.77

Finding the Fourth Proportional to 5,476.95, 8,215.83 and 1,779.77

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Solution

The fourth proportional to 5,476.95, 8,215.83 and 1,779.77 is: 2,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.95 : 8,215.83 = 1,779.77 : x
  2. Step 2: Convert to fraction form
    5,476.95/8,215.83 = 1,779.77/x
  3. Step 3: Cross multiply
    5,476.95x = 8,215.83 × 1,779.77
  4. Step 4: Simplify right side
    5,476.95x = 14,622,308.30
  5. Step 5: Solve for x
    x = 14,622,308.30/5,476.95
  6. Step 6: Final answer
    x = 2,669.79

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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.