Home / 5,577.21-8,365.77-1,417.23

Finding the Fourth Proportional to 5,577.21, 8,365.77 and 1,417.23

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Solution

The fourth proportional to 5,577.21, 8,365.77 and 1,417.23 is: 2,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.21 : 8,365.77 = 1,417.23 : x
  2. Step 2: Convert to fraction form
    5,577.21/8,365.77 = 1,417.23/x
  3. Step 3: Cross multiply
    5,577.21x = 8,365.77 × 1,417.23
  4. Step 4: Simplify right side
    5,577.21x = 11,856,220.22
  5. Step 5: Solve for x
    x = 11,856,220.22/5,577.21
  6. Step 6: Final answer
    x = 2,125.83

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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.