Home / 5,417.11-8,126.69-1,718.35

Finding the Fourth Proportional to 5,417.11, 8,126.69 and 1,718.35

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Solution

The fourth proportional to 5,417.11, 8,126.69 and 1,718.35 is: 2,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.11 : 8,126.69 = 1,718.35 : x
  2. Step 2: Convert to fraction form
    5,417.11/8,126.69 = 1,718.35/x
  3. Step 3: Cross multiply
    5,417.11x = 8,126.69 × 1,718.35
  4. Step 4: Simplify right side
    5,417.11x = 13,964,497.76
  5. Step 5: Solve for x
    x = 13,964,497.76/5,417.11
  6. Step 6: Final answer
    x = 2,577.85

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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.