Home / 4,377.82-6,561.06-1,779.34

Finding the Fourth Proportional to 4,377.82, 6,561.06 and 1,779.34

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Solution

The fourth proportional to 4,377.82, 6,561.06 and 1,779.34 is: 2,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.82 : 6,561.06 = 1,779.34 : x
  2. Step 2: Convert to fraction form
    4,377.82/6,561.06 = 1,779.34/x
  3. Step 3: Cross multiply
    4,377.82x = 6,561.06 × 1,779.34
  4. Step 4: Simplify right side
    4,377.82x = 11,674,356.50
  5. Step 5: Solve for x
    x = 11,674,356.50/4,377.82
  6. Step 6: Final answer
    x = 2,666.71

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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.