Home / 6,386.98-9,581.15-2,690.04

Finding the Fourth Proportional to 6,386.98, 9,581.15 and 2,690.04

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Solution

The fourth proportional to 6,386.98, 9,581.15 and 2,690.04 is: 4,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.98 : 9,581.15 = 2,690.04 : x
  2. Step 2: Convert to fraction form
    6,386.98/9,581.15 = 2,690.04/x
  3. Step 3: Cross multiply
    6,386.98x = 9,581.15 × 2,690.04
  4. Step 4: Simplify right side
    6,386.98x = 25,773,676.75
  5. Step 5: Solve for x
    x = 25,773,676.75/6,386.98
  6. Step 6: Final answer
    x = 4,035.35

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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.