Home / 5,417.21-8,125.95-1,669.07

Finding the Fourth Proportional to 5,417.21, 8,125.95 and 1,669.07

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Solution

The fourth proportional to 5,417.21, 8,125.95 and 1,669.07 is: 2,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.21 : 8,125.95 = 1,669.07 : x
  2. Step 2: Convert to fraction form
    5,417.21/8,125.95 = 1,669.07/x
  3. Step 3: Cross multiply
    5,417.21x = 8,125.95 × 1,669.07
  4. Step 4: Simplify right side
    5,417.21x = 13,562,805.94
  5. Step 5: Solve for x
    x = 13,562,805.94/5,417.21
  6. Step 6: Final answer
    x = 2,503.65

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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.