Home / 5,551.24-7,667.01-3,779.77

Finding the Fourth Proportional to 5,551.24, 7,667.01 and 3,779.77

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Solution

The fourth proportional to 5,551.24, 7,667.01 and 3,779.77 is: 5,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.24 : 7,667.01 = 3,779.77 : x
  2. Step 2: Convert to fraction form
    5,551.24/7,667.01 = 3,779.77/x
  3. Step 3: Cross multiply
    5,551.24x = 7,667.01 × 3,779.77
  4. Step 4: Simplify right side
    5,551.24x = 28,979,534.39
  5. Step 5: Solve for x
    x = 28,979,534.39/5,551.24
  6. Step 6: Final answer
    x = 5,220.37

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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.